This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

This historic collection of Native Alaskan artifacts was resurrected through a partnership between the WPA and tribal artisans.

Macabre astrological automaton clock dating to the late 1400s.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

This proud Teutonic warrior rises out of a German forest heralding a victory and measuring lightning.

Caligula's colossal pleasure ships, discovered by Mussolini only to be lost in flames.

A Nesting Doll of Churches.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Yup, that's a 330-foot yacht passing over the highway.

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

The most visited, and possibly most controversial, museum in Germany.

A fascinating insight into daily life in the Eastern Bloc.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

This colorful and quirky set of pegasus sculptures celebrate the works of poet Zbigniew Herbert.

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

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

This snug medieval lane is one of the narrowest streets in the world.

A medieval church built up to defend its village.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This black sand beach was crafted from volcanic explosions including the historic Minoan eruption.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

Underneath one of the region's most historic roads lies the home of Plato's successor.

A preserved portion of an ancient Athens barrier is displayed in a hotel basement.