Gdańsk

Gdańsk in 2026 is a rebuilt Hanseatic port with two of Europe's best 20th-century history museums, a milk-bar lunch for under 30 złoty, and beaches you reach by tram. Westerplatte is a building site this year, and the WWII Museum's free Tuesday is a two-hour queue.

Updated October 2026

BootsnAll Scorecard

7.5 / 10

Gdańsk scores best on getting around and on how far a curious, independent traveler can get on public transport, and worst on timing, because a dark, 35°F January and a packed three-week August fair bracket an otherwise easy city.

Value
7.5
Near the 8 anchor, with soups at 10 zł and pierogi at 16 zł at Bar Neptun on Długa, dorms from about US$7 on Hostelworld and the big museums at 33 to 40 zł, held back by riverfront restaurants that charge 42 to 45 zł for a plate of ten pierogi.
Getting around
8
Sits on the 8 anchor: a 4.80 zł tram or bus ride paid by tapping a bank card on the FALA reader, and SKM trains about every 10 minutes to Sopot and Gdynia, though the airport train still makes you change at Wrzeszcz.
Crowds and timing
6
Just above the 5 anchor: St Dominic's Fair fills the Main Town for three weeks over late July and August, winter highs sit at 35 to 38°F (2 to 3°C), and the free-Tuesday line at the WWII Museum runs about two hours.
Safety and hassle
8
Close to the 8 anchor, since serious crime against visitors is rare, but pickpockets work the main stations and trains, unofficial drivers wait past airport security, and strip-club touts work Długa at night.
Food and drink
7
Between 5 and 8: milk-bar Polish food is cheap and good in the center and Michelin now lists a starred restaurant and three Bib Gourmands here, but the Long Riverside terraces are easy places to eat badly at full price.
Indie fit
8.5
Above the 8 anchor, because Westerplatte, Oliwa, four city beaches, Sopot, Gdynia and Malbork are all reachable by city bus, tram or train with no tour, and the Solidarity story is told in the shipyard where it happened.

Editorial scores, 1 to 10, against the same written anchors for every city. Half points allowed. The overall is the plain average of the six.

Overview and Things to Consider

The postcard streets of Gdańsk are younger than they look. Długa and Długi Targ, the Royal Route from the Golden Gate down to the river, lay in ruins in 1945 and were rebuilt in the 1950s and 1960s to look roughly as they did before 1793. Knowing that changes the visit. You stop judging the facades as medieval survivors and start reading them as a postwar argument about whose city this was, made in brick by a Polish state that had just taken over a port whose German population was being expelled.

The reason to come in 2026 is the 20th century. The European Solidarity Centre sits in the shipyard where the August 1980 strikes started, and the Museum of the Second World War stands a few blocks away, near the Polish Post Office building where the city's defenders fought on the war's first day. Add Westerplatte, where the first shots were fired, and you have a cluster of history you can't get in Kraków or Warsaw, where the story is told from farther away.

You'll like it here if you want a walkable city on the sea, read museum placards, and don't mind a commuter train to the beach. You'll be frustrated if you came for Kraków-scale nightlife, warm swimming water or winter daylight. Gdańsk is also one third of the Tricity with Sopot and Gdynia, a metropolitan area of about 1.5 million people strung along one rail line, and treating them as one place is the move most first-timers miss.

How Gdańsk Got Here

Gdańsk joined the Hanseatic League in the 14th century and became the Polish Crown's main seaport and largest city, which is why the riverfront has a crane-gate and an island that once held up to 300 granaries. Prussia annexed it in 1793, and after World War I the Versailles treaty made it the Free City of Danzig, a League of Nations protectorate with its foreign affairs largely under Polish control. Nazi Germany's demand to take it back helped trigger the war, and on September 1, 1939 the battleship Schleswig-Holstein fired the war's first shots at the Polish military depot on Westerplatte.

By 1945 about 90 percent of the city center was in ruins. The German population was expelled and replaced by Poles, and the Main Town was rebuilt in the 1950s and 1960s. Then in August 1980 the Gdańsk Shipyard became the birthplace of Solidarity, the trade union and political movement that helped end communist rule. Its leader, Lech Wałęsa, won the Nobel Peace Prize in 1983 and became president of Poland in 1990, and the airport now carries his name. The European Solidarity Centre opened in the shipyard in 2014.

Getting There and Around

Gdańsk Lech Wałęsa Airport (GDN) sits west of the city. City bus 210 runs from the stops opposite the terminal to Dworzec Główny, the main station, in about 40 minutes for a 4.80 zł single ride, and night bus N3 covers 23:00 to 04:00 in about 50 minutes. The airport has its own station across a covered footbridge, but trains to the center need a change at Gdańsk Wrzeszcz, where SKM trains leave for Gdańsk Główny and Śródmieście from platform 3. Wikivoyage says a taxi to the center should cost up to 100 zł, more after 22:00 and at weekends, Neptun is the officially recognized company, and Bolt and Uber both work here with upfront prices.

Poland is in the Schengen area. Citizens of the US, UK, Canada and Australia enter visa-free for 90 days in any 180, and those days count across every Schengen country, so a long Europe trip can run out of days here. UK passports must have been issued less than 10 years before you arrive. The EU's Entry/Exit System replaced passport stamping on April 10, 2026, so expect fingerprints and a photo at a booth on your first entry. ETIAS, the online pre-authorization, is still not operating as of October 2026 and will cost €20 once it starts. EU citizens just show an ID card.

Transit in Gdańsk is run by ZTM Gdańsk, and the easy way to pay is to tap a contactless bank card or phone on the yellow and black FALA reader by the door of any tram or bus. One card buys one ticket, so a couple traveling together uses the falomat machine halfway down the vehicle. A single ride on one line is 4.80 zł, 75 minutes with changes is 6 zł and 24 hours on city trams and buses is 22 zł. If you'll ride SKM trains to Sopot and Gdynia as well, the metropolitan rail-and-transit tickets are 30 zł for 24 hours (trains plus Gdańsk trams and buses) or 68 zł for 72 hours (trains plus all three cities). Jakdojade is the app for routes and phone tickets, and Wikivoyage puts the fine for riding without a valid ticket at 200 to 300 zł.

Inside the Main Town you walk; the whole Royal Route is a short stroll end to end. SKM commuter trains run the spine of the Tricity every 10 minutes or so, and intercity trains reach Sopot and Gdynia in around 25 minutes. MEVO e-bikes have stations across the metropolitan area, including one in front of the Westerplatte Visitor Centre, and the city's bike routes reach the peninsula in about 40 minutes.

What's Changed Since 2016

March 2017: the Museum of the Second World War opened on March 23 after a long legal fight. The national government had moved to merge it into a new Westerplatte museum, an administrative court halted the merger, and in January 2017 the Supreme Administrative Court overruled that decision before the doors finally opened. The museum called 2024 a record-breaking year, and demand is now high enough that free Tuesdays are capped at 2,500 visitors.

April 2024: the Crane came back. The 15th-century harbor crane and city gate on the Motława, the city's symbol and now a branch of the National Maritime Museum, went into a large renovation in 2020 and reopened on April 30, 2024 after numerous delays. A ticket is 23 zł, and Wednesdays are free.

2024: rail got better. Direct Baltic Express trains from Prague began running in 2024, four a day, in about 8 hours 30 minutes, with a night train taking about 10 hours 30 minutes. That makes Gdańsk a real stop on a Central Europe rail route rather than a dead end you fly in and out of.

April 2025 to February 2026: Westerplatte changed twice. A Visitor Centre opened at the end of April 2025, along with an archaeology exhibition, Memory Buried Beneath the Surface, inside the old depot power plant. Then in February 2026 the first phase of building the new Westerplatte Museum began. The site is fenced, access to Sucharskiego street near the Visitor Centre is closed, the old bus-terminus and central parking lots are closed, and the only parking left is next to the Visitor Centre, so take the bus.

April 2026: the paperwork at the border changed. The Entry/Exit System now registers non-EU visitors with fingerprints and a face photo instead of a passport stamp, and it counts your 90 days for you, so overstays are flagged automatically. ETIAS still has no start date, and the EU says it will announce one several months ahead.

What the Usual Advice Gets Wrong

"Take the train from the airport straight to Gdańsk Główny." The trains at the airport station run on the PKM line, and the airport itself says reaching Główny or Śródmieście means changing at Gdańsk Wrzeszcz to an SKM train on platform 3. With bags, bus 210 is simpler: one 4.80 zł ticket, about 40 minutes from the terminal to the main station.

"Gdańsk's Old Town is a preserved medieval city." The streets most people mean are the Main Town (Główne Miasto), not the Old Town (Stare Miasto), which lies to the north. And most of it is a postwar rebuild: about 90 percent of the center was in ruins in 1945, and the facades were reconstructed in the 1950s and 1960s to a pre-1793 look, not exactly as they stood.

"The amber on Mariacka street is all genuine Baltic amber." Not all of it. The International Amber Association's lab in Gdańsk tests for imitations made from plastics and synthetic resins, for copal, a much younger subfossil resin, and for modified Baltic amber, which it classes separately from natural stones. For anything expensive, ask the shop for an IAA certificate or examination report.

"Visit the WWII Museum on Tuesday, when it's free." The museum itself warns that free Tuesdays mean about a two-hour wait to get in, with a 2,500-person cap, shortened hours of 10:00 to 16:00 and last admission at 14:30. A paid ticket is 33 zł, and Tuesday is also the day most Museum of Gdańsk branches close, along with the Solidarity Centre's exhibitions from October to April. Go Wednesday to Sunday and book a slot online.

"Westerplatte is an easy drive-up stop with a car park." Since February 2026 it's a construction site for the new Westerplatte Museum. The former car parks are closed, access to Sucharskiego street near the Visitor Centre is closed, and the museum points you to buses 106 (from the WWII Museum stop), 138 and the summer-only 606, or a 10 km bike ride of about 40 minutes.

"Grab whichever taxi driver offers you a ride at arrivals." Wikivoyage warns about the unofficial drivers who approach passengers once they clear security, and the UK government says unofficial taxis overcharge and that a crest with no company name is a giveaway. Official cabs carry the company name and number on the door and roof and a rate card in the window. Take an official Neptun taxi, or book Bolt or Uber in the app.

Ideas to Consider for Your Visit

Have you thought about giving the shipyard a whole day? The European Solidarity Centre charges 40 zł with an audio guide included, closes its exhibitions on Tuesdays from October to April, and has an observation deck that opens when the weather allows. The Museum of the Second World War is on Bartoszewski Square near the Polish Post Office and the shipyard, 33 zł, closed Mondays. Doing both in one day is a lot of reading. Take the 12 zł audio guide at the WWII Museum, break for lunch between them, and don't book anything for the evening.

Eat where Gdańsk eats lunch. Bar Neptun at Długa 33/34 serves homestyle Polish food on the main street, with żurek and other soups at 10 zł, pierogi at 16 zł and a schabowy pork cutlet at 12 zł before sides. Bar Turystyczny on Szeroka and Pyra Bar on Garbary are other cheap options in the center. Pierogarnia Mandu on Elżbietańska is the sit-down version, with ten pierogi for 42 to 45 zł, wild boar among them. For a drink, Wikivoyage calls Goldwasser, the herbal liqueur with flakes of gold in it, the city's drink even though it's now made in Germany, and Machandel juniper vodka comes with a dried plum and a ritual.

If food is a priority, Michelin now covers Gdańsk. Visit Gdańsk lists ARCO by Paco Pérez as the city's first Michelin-starred restaurant, Hewelke, Treinta y Tres and, since 2026, Brut in Dolne Miasto as Bib Gourmands, and Eliksir as the first restaurant in Poland with a Michelin green star. Niesztuka, in an old townhouse on Mariacka, is on the recommended list, and Wikivoyage notes Tygle, across the river from the Crane, is in the guide too. Hala Targowa, the market hall on Plac Dominikański, has fresh produce in the basement for a picnic.

Take the tram to Oliwa. The cathedral there has one of the biggest organs in Poland and puts on a twenty-minute organ demonstration most days, and Hostelworld's city notes rightly call Oliwa's park relaxed. Kafe Delfin, a short walk from the Oliwa tram loop on trams 2, 6, 11 or 12, is the place for cake after. Jelitkowo beach, close to Sopot, is on trams 2, 4, 6 and 8, so you can make a full afternoon of park, cathedral and sand.

Malbork is the day trip that earns the hype. Wikivoyage says trains take half an hour to an hour from Gdańsk, with many direct services and Regio trains as the cheap option,. The Malbork Castle Museum charged 80 zł for the Historical Castle Route with guide or audio guide in its April to September 2026 season, caps entry at 500 people an hour, and in that season Mondays were free for the grounds route only. Give the Teutonic Order's brick castle four hours.

Sopot and Gdynia are one SKM ride away. Sopot's wooden pier charges 10 zł from April 10 to September 30, with the fee collected around the clock from late June to the end of August. For a full day, continue to Gdynia and take the train out to Hel at the tip of the peninsula, about 90 minutes and packed in season, where the University of Gdańsk's seal sanctuary charges 20 zł and feeds the seals at 11:00 and 14:00. Żegluga Gdańska boats also run from Gdańsk to Hel in about an hour.

The Part Most Guides Miss

Gdańsk is a beach city, and almost nobody plans for it. Almost all of its coast is sandy beach, with lifeguarded stretches, food stands and bars, and you get there by tram: Brzeźno on trams 3 and 5, behind a large city park with its own pier, Jelitkowo on 2, 4, 6 and 8, and Stogi on tram 9, a wide, calm beach in a forest east of the center with a view of the container port and a naturist section past entrance 22. Sobieszewo, at the eastern edge of the city, is the least crowded, with a bird reserve at one end and the occasional seal at the other. The water is usually cold, but a 4.80 zł ride from the Main Town to the dunes beats another lap of Długi Targ.

Where to Base Yourself

Main Town (Główne Miasto). The pick for a first visit of three or four days. You walk to Artus Court, St Mary's, the Crane and the river in minutes, and Hostelworld lists dorms about 600 meters from the center at Dzień Dobry and La Guitarra from roughly US$7 to $18. The catch is the turn of July and August, when St Dominic's Fair takes over the streets, and the evening touts on Długa.

Granary Island and Ołowianka. The warehouse island across the Motława from the Main Town, with restaurants like Tygle facing the Crane and WaterLane Island Hostel, which has a pool, saunas and a roof terrace, at about US$32 for a dorm. It's a step away from the Długa crowds and still minutes from everything. It costs more than the Main Town hostels, and most of the northern granaries were destroyed in the 1945 siege, so much of what stands there is new.

Wrzeszcz. The district north of the center where the PKM airport line meets the SKM, which makes it the most practical base for a week of day trips: the airport, Sopot and Gdynia are all direct from one station, and night bus N3 and bus 110 run to the airport from here. It's a working part of the city rather than a tourist zone. The trade-off is a short train or tram ride every time you want the Main Town.

Sopot. Hostelworld suggests a night or two in Sopot in summer, when locals flock there to swim, and it's right: you wake up by the beach and the pier, and trains get you to Gdańsk in about 25 minutes. The catch is the 10 zł pier fee from April to September, summer crowds, and a commute for every museum day.

Realities to Be Aware Of

Budget: a Hostelworld dorm at US$7 to $32 (about 26 to 123 zł), two cheap meals at around 40 zł, a 22 zł transit day ticket and one big museum at 33 to 40 zł comes to roughly 120 to 220 zł ($31 to $57) a day. Mid-range: a private hostel room from about US$13 to $18, a cheap lunch, a pierogi dinner at Mandu and two museums lands near 220 to 240 zł ($57 to $62). We couldn't verify current hotel rates from a primary source, so price comfortable stays yourself. Poland uses the złoty, not the euro.

Safety is mostly about small stuff. The UK government says serious crime against foreigners is rare, but warns about pickpockets at main stations and on trains, drink spiking in bars and clubs, and visitors being overcharged by card at the end of the night. Wikivoyage specifically flags strip-club touts on Długa offering a free first drink. Drinking alcohol in public is illegal and can bring a fine, police can fine you for jaywalking, and you must carry ID, though a printed copy of your passport photo page is accepted. The emergency number is 112.

Polish law doesn't recognize same-sex marriage or civil partnerships, but the UK government lists Gdańsk and Sopot among the cities with LGBT+ friendly bars and clubs, and Wikivoyage calls Gdańsk more socially progressive than the rest of Poland. Tipping is about 10 percent in restaurants and taxis. Saying dziękuję as you hand over money means keep the change, so only say it if you mean it.

Crowd patterns are predictable. St Dominic's Fair, with over 760 years of tradition, runs three weeks over the turn of July and August and is the busiest the Main Town gets. The Christmas market fills the second half of November and December. Within a week, Monday and Tuesday are the trap days: the WWII Museum is closed Mondays, the Museum of Gdańsk's branches close Tuesdays, as do the Solidarity Centre's exhibitions from October to April, and the WWII Museum is free and swamped on Tuesdays.

What things cost in Gdańsk

Prices checked October 2026. Each links to where we read it.

ItemPriceSource
Hostel dorm bedUS$7-32 (about 26-123 zł) a nightHostelworld Gdańsk listings, Oct 2026
ZTM tram or bus ticket4.80 zł (about $1.25) single ride, 6 zł for 75 minutes, 22 zł for 24 hoursZTM Gdańsk, Oct 2026
72-hour metropolitan ticket, SKM and Polregio trains plus city transit68 zł (about $17.50)MZKZG, updated Jul 2026
Museum of the Second World War, main exhibition33 zł (about $8.50), free on TuesdaysMuseum of the Second World War, Oct 2026
European Solidarity Centre permanent exhibition, audio guide included40 zł (about $10.30)ECS ticket office price list, Oct 2026
Malbork Castle, Historical Castle Route80 zł (about $20.50)Malbork Castle Museum, Apr-Sep 2026 season
Soup and pierogi at Bar Neptun on Długa10 zł soup plus 16 zł pierogi (about $6.70 together)Bar Neptun menu, Oct 2026
Ten pierogi at Pierogarnia Mandu, city center42-45 zł (about $10.80-11.60)Pierogarnia Mandu menu, Oct 2026
Sopot pier entry10 zł (about $2.60), April 10 to September 30 onlyMOSiR Sopot, 2026 season

Dollar figures use 3.89 zł to US$1, the National Bank of Poland mid rate of October 2, 2026.

If Gdańsk Is Part of a Longer Trip

Gdańsk works as the northern anchor of a Poland loop. Wikivoyage puts Warsaw about 3 hours away by fast train and Kraków about 6, so a common order is Gdańsk, Warsaw, Kraków, flying home from Kraków. Berlin has one direct train a day, around 6 hours via Frankfurt (Oder) and Poznań, and since 2024 the Baltic Express runs direct from Prague four times a day. There's also one daily train from Vienna via Ostrava, Katowice and Warsaw, about 10 hours 30 minutes.

By sea, Polferries sails from Gdańsk to Nynäshamn, just south of Stockholm, in about 18 hours, and Stena Line runs Gdynia to Karlskrona in about 12 hours 30 minutes, so a Baltic route without flying is possible. On a multi-region trip, an open-jaw ticket into Gdańsk and out of somewhere farther south usually beats doubling back, and AirTreks builds that kind of routing. Keep the Schengen clock in mind: Poland, Germany, Czechia and Sweden all count toward your 90 days.

Closer in, the PKM line past the airport continues toward Kashubia, to Kartuzy and Kościerzyna. To the east, Frombork has Copernicus's grave, and on the Vistula Spit the former Stutthof concentration camp at Sztutowo is the sobering counterpart to the WWII Museum. West along the coast, Łeba is the gateway to Słowiński National Park, which Wikivoyage says has the biggest dunes in Europe.

Yearly Things to Consider

Summer drives everything here. July and August bring the only real beach weather, highs around 73°F (23°C), the most rain of the year, and St Dominic's Fair. The counterintuitive move is May, June or September: highs from 62 to 69°F (17 to 20°C), less rain than July, and none of the fair crowds. Malbork's long hours run from late April to the end of September, and the seasonal Museum of Science and Oliwa forge open from late April.

Winter is gray and cold, with highs of 35 to 38°F (2 to 3°C) from December to February. But the museums are indoors, the lines disappear, and the Christmas market, which the tourism board says European Best Destinations ranked the second-best in Europe, gives late November and December a reason to come. Pack for wind off the Baltic whatever the month.

Gdańsk month by month

MonthTempRainfallSeasonNotes
January35°F (2°C)1.1 inLowColdest highs of the year. Short lines everywhere.
February37°F (3°C)0.9 inLowDriest month. Cold wind off the bay.
March44°F (7°C)1.1 inLowStill cold. Some seasonal museums shut.
April54°F (12°C)1.3 inShoulderSopot pier fee and long hours start April 10.
May62°F (17°C)2.1 inShoulderGood walking weather before summer prices.
June69°F (20°C)2.3 inShoulderWarm, not hot. Best month for most people.
July73°F (23°C)3.1 inHighWettest month. Beach season, fair starts late month.
August73°F (23°C)2.8 inHighSt Dominic's Fair. Peak prices and crowds.
September65°F (19°C)2.5 inShoulderFair over, pier fee ends on the 30th.
October55°F (13°C)2.2 inShoulderAutumn Restaurant Week runs into November.
November44°F (7°C)1.7 inLowGray. Christmas market opens late month.
December38°F (3°C)1.4 inLowChristmas market until just before the holiday.

Ideas for Itineraries

3 Days in Gdańsk

Day one, walk the Royal Route from the Golden Gate down Długa and Długi Targ to the river, go into Artus Court for the 10.64-meter tiled stove (26 zł, free Mondays, closed Tuesdays), climb St Mary's tower for 20 zł, and finish at the Crane and across the river on Granary Island. Day two is the shipyard: Solidarity Centre in the morning, lunch, WWII Museum in the afternoon, which means a Wednesday to Sunday. Day three, take bus 106 from the WWII Museum stop to Westerplatte in the morning, then the SKM to Sopot for the pier and dinner by the sea.

5 Days in Gdańsk

Add Malbork as a full day, leaving on a morning train and giving the castle four hours, and a slower day north: tram to Oliwa for the cathedral organ and the park, then Jelitkowo beach. Use the spare evenings for a cheap dinner at Bar Neptun, a shot at Pijalnia Wódki i Piwa on Długi Targ, and the Amber Museum in the Great Mill (37 zł, free Mondays), which shows you what real amber looks like before you shop.

1 Week in Gdańsk

With a week, buy the 72-hour metropolitan ticket for 68 zł and do the Tricity properly. Spend a day in Gdynia and ride on to Hel at the end of the peninsula for the seal sanctuary, or take the boat back to Gdańsk. Give a half day to Wisłoujście Fortress, the oldest coastal fortress on the Polish seacoast (37 zł), which pairs with Westerplatte. Leave a morning for Hala Targowa and an afternoon on Stogi or Sobieszewo beach, and keep one day for the Stutthof site at Sztutowo on the Vistula Spit.

2 Weeks or More in Gdańsk

For two weeks or more, settle in Wrzeszcz or Oliwa rather than the Main Town: you'll be on the SKM line, away from the tour groups, and the Main Town is a short ride. The Museum of Gdańsk sells a 90-day pass to all its branches for 160 zł, which pays for itself by about the sixth visit. For weekends, ride the PKM line toward Kashubia and Kartuzy, head west along the coast to Łeba and the dunes of Słowiński National Park, or take the train to Warsaw, about 3 hours, for a city break inside your city break.

Sources

What this guide is built on. Every page below was read for this guide; prices and rules were checked in October 2026.

Gdańsk Travel FAQ

Kraków is the bigger name with more nightlife. Gdańsk has the sea, a calmer rebuilt center, and the strongest museums on how World War II started and how communism ended. With a week, the 6-hour train between them makes doing both easy. If you hate crowds, start with Gdańsk.

Yes, if you don't mind cold water. Several city beaches have lifeguarded areas, food stands and bars, and at Stogi a breakwater keeps the western side of the beach unusually calm. July and August, with highs around 73°F (23°C), are the only months most people go in.

Monday and Tuesday. The WWII Museum is closed Mondays and free but overrun on Tuesdays, while Museum of Gdańsk branches such as Artus Court and the Town Hall close on Tuesdays and are free on Mondays, and the Solidarity Centre's exhibitions close on Tuesdays from October to April. Plan your Main Town day for Monday and your shipyard day for Wednesday to Sunday.

It runs through the second half of November and most of December in the Main Town, and the tourism board cites European Best Destinations ranking it the second-best Christmas market in Europe. Expect the Main Town to be at its busiest on weekend evenings, and dress for highs around 38°F (3°C).

Less than you'd think. The FALA readers on trams and buses take only cards and phones and print nothing, while the ticket machines at stops take both cash and cards, so cash only matters there. The Solidarity Centre asks visitors to pay by card at its desk where possible. Carry some złoty for small market stalls.

Yes, for any weekend or summer visit. The museum sells only part of each time slot online and holds the rest for the ticket office, where you should be ready to queue, and it says the only authorized seller is its own site, bilety.muzeum1939.pl. If you arrive late, a ticket bought in the last 30 minutes before the office closes costs 17 zł instead of 33 zł, but you'll have little time inside.