A steam powered train that runs on city streets.

A city's controversial tribute to its founder depicts townspeople flashing their bare behinds.

Germany's last remaining Lenin statue has become a lightning rod of debate about the country's divided past.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

An IT-specialist-turned-farmer reintroduces an Austrian food tradition while promoting snails as a sustainable "future food" option.

Inside the corridors of this flea market, visitors are sure to find some obscure and odd treasures.

Bizarrely-painted church designed by a controversial artist.

The first modernist church in Europe.

Meet the oldest inhabitants of this Italian hamlet, a series of oddly preserved mummies.

The taxidermy remains of the first brown bear to enter Germany in 170 years.

King Ludwig I's collection of beautiful women.

The medieval network of canals hidden underneath the city is opened to explorers each year.

If you visit Santa's village, you can get your passport stamped to show you crossed into the Arctic Circle.

Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

The house that took a plunge into the facade of a museum.

A silly medieval mural preserved on the side of a Viennese house.

An exquisite Baroque church in Vienna's old town.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

The statue of a legendary giant who carried Christ and shouldered the world's sins.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

Medical museum that houses most notably the taxidermied remains of Vladimir Demikhov's famous two-headed dog experiment.