One of the largest wooden constructions in Europe was meant to be a casino, but soon became an orphanage.

Ancient serpentine sacrifice holder that has stood the test of time.

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

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

A fountain standing as a testament to a doomed alliance.

A small island with shimmering pink sands, home to loggerhead turtles and rare plants.

The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

When the Soviets destroyed the historic Armenian monastery they somehow left its bell tower intact.

A small but hugely whimsical theater where marionettes play out the "The Battle of Stalingrad."

You'll find just about anything in this funky Tbilisi flea market.

Rock-hewn monastery complex with hundreds of cave structures tucked away into the mountainside.

At this rare mosque in Tbilisi, Sunni and Shia Muslims pray side by side.

The charmingly disheveled clock tower of Tbilisi's puppet theater.

The decaying remains of a once-luxurious Soviet spa town.

Extremely famous in his native country, this Cracovian painter is all but unknown beyond Polish borders.

At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

This no man's land slicing through the island is strewn with abandoned relics of another time.

The animals wander freely amid this gorgeous stretch of nature.

The ruins of a fairytale castle with a tumultuous history stand high atop the mountains.

Once part of an ancient international harbor, it's now an all-you-can-eat shrimp buffet for flamingos and other water birds.

A 1970s resort city now stands abandoned, caught in the middle of a divided island.

For nearly 2,000 years this church has been waging war on local snakes by importing cats.

A massive 1830s industrial site once known as Czechia's "Iron Heart" has been transformed into a playground of science, technology, and art.

While the U.S. and Soviet Union were engaged in a space race, Poland built a UFO on the ground.