This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

A centuries-old forgotten underworld lies beneath Malta.

A fascinating insight into daily life in the Eastern Bloc.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Berlin's old airport.

Retirement home for giant obsolete machines.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

A church of bones, decorated with 40,000 human skeletons.

Looming communist pillar with a Czech twist.

A mocking tribute to the past and modern leadership of Prague.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

Sculpture designed by Turkish artist and professor Mehmet Ali Uysal.

The world's first interactive human body museum also serves as a chair for a giant orange man.

A centuries-old complex of hand-dug stone chambers has sheltered locals in times of trouble.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.

This enormous storm barrier is one of the largest moving structures on Earth, with each arm taller than the Washington Monument.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

Most prolific publishing house in the 1600s open to the public.