A relic from the Industrial Revolution got a second life as a contemporary performing arts space.

This abandoned Slovenian military barracks has become a punky-political art squat.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

A whimsical bridge adorned with decorative dragons.

This small Slovenian town has become a magnet for microbreweries.

The walls of this medieval church are covered with perfectly preserved frescos, including a pristine example of the Dance of Death.

During World War II, this rice mill became a Nazi concentration camp.

One of the largest caves in the world open to the public.

This massive subterranean fissure is known as the "underground Grand Canyon."

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

The "dragon babies" of southeastern Europe.

A miniature train-ride through Slovenia's largest cave system.

The oldest housing complex in Riga is a mini timeline of architectural trends.

The dining hall that nourishes workers in Chernobyl's Exclusion Zone is also open to visitors.

This ruined temple's giant Buddha statue bears the scars of the Second Indochina War.

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

After becoming locally extinct, this esteemed avian now flies free in the forests around the ancient ruins.

Only a fragment of this 15th-century Dance of Death survives today.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

This colorful overpass is one of Bhutan's longest suspension bridges.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

This behemoth bovine guards an Estonian town and is a memorial to the lost species.

Ancient stone graves shaped like ships provided a Viking-like burial to carry the dead to the afterlife.