Go inside to really appreciate this 500-year-old technological masterpiece.

This unique building in the main square stands out among the city's typically Baroque architecture.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Once a black market electronics marketplace, now an otaku shopper's paradise.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

A popular European tradition makes its way to the states on one of America's most famous bridges.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

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

Macabre astrological automaton clock dating to the late 1400s.

This hulking behemoth is actually five interconnected towers built in the 1960s.

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

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.

The largest toy museum in Poland showcases Europe's history of childhood.

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

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

These mechanical goats first battled it out in the year 1551, all because of an overcooked deer.

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

The silly symbol for an underground protest group is now scattered around the city.

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

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

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