This Czech military museum is home to pink tank that was once a symbol of art and political rebellion.

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

A relic of the Cold War tucked away in the forested hills above Bratislava.

The blood-soaked ruins of the castle where the murderous Blood Countess was walled in alive.

Heralded as one of the prettiest castles in all of Czechia.

A Cold War secret surveillance tower used to spy on radio communications.

A preserved Nazi labor camp now has a Holocaust museum on site and memorials to the thousands that died while imprisoned at the camp.

Stroll past dozens of intricately-detailed scale replicas of buildings from all over Czechia.

A spiral staircase twists to the top of this unusual Czech lookout tower.

Visitors flock to the historic birthplace of radiobalneology for its therapeutic radium treatments.

A larger-than-life statue of the German revolutionist stands proud in a small town where he never lived.

This stone amphitheater was once part of Nazi Germany's plan to promote propaganda.

Ruins of a German Castle on top of a towering stone pillar.

Towering sandstone rock formations where 'The Chronicles of Narnia' was filmed.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

A collection of iconic Soviet car models on display.

The last planned Soviet city was built for the former residents of Pripyat after the Chernobyl disaster.

Blue-green pools and smooth stones comprise one of Spain’s most idyllic hidden wonders.

An abandoned 6th-century monastery features a medieval map of the known world.

The world's largest statue of Mao Zedong looks out over the city where he discovered Communism.

The largest radio telescope in the world searches for extraterrestrial life from the remote limestone peaks of southern China.

The highest bridge in the world rises a dizzying 1,854 feet above the river.

270 million year-old forest of stone.

One of the word's deepest gorges is also tied to a fantastic legend.