An artificial hill and apparent calendric structure built in the Early Middle Ages immortalizes a legendary Polish princess.

In the midst of a living monument to Soviet social engineering, Polish Catholics built this church by hand.

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.

Brought to you by the makers of fiberglass dinosaurs.

This Communist-era residential block is one of the longest residential building in Europe.

This antique thermometer honors the creator of the first universal temperature scale.

Modern art commemorates one of the first military actions of World War II.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

A statue honors the children who fought Nazis in Poland.

Memorial to the lost dead of Gdansk, whose resting places were destroyed during World War II.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

There are thousands of tributes and memorials to the King, but none quite like this one in a Kraków city park.

These massive moving sand dunes have swallowed an entire village and are still on the run.

A haunting deserted hotel is a favorite with artists and photographers.

Poland's oldest salt mine has nearly everything one needs to live underground forever.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

This fairytale inspired, warped building houses restaurants, shops, and a radio station.

The world’s narrowest house makes for an awkward, four-foot-wide living space.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

A peculiar family mausoleum built by a German nobleman captivated by the occult.

Museum dedicated to "the man who moved the Earth."

Warsaw's fantastically preserved gasworks...almost.