This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Notorious artist squat renovated into legal studios.

This open-air museum was originally a World War II testing ground for German missiles and rockets.

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

This unique railroad museum secretly contains the history of Poland rebuilding itself from the inside-out.

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

Communism's topsy-turvy effect on Poland has been brought to life in this wacky tourist trap.

The site of the first battle of World War II.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

Real bones which are said to have belonged to a Polish dragon.

An underground city of salt.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

Arthur, Merlin, and Guinevere are among the largest and oldest satellite dishes on the planet.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

This elaborate towering structure was once famed for its revolutionary height.

A layered tribute to the work of mosaicist Isaiah Zagar.

A statue honors the children who fought Nazis in Poland.

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

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

This century-old cinema house has a marquee that has been hand painted by a single man for over 25 years.

A fearsome dragon clings to a corner of Munich's city hall.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.