This beautifully restored fortification kept the city safe for centuries.

An imposing Omani fortress surrounded by date palm trees.

A museum dedicated to traditional Armenian clothing and their designer.

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

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

1513 Turkish world map, full of European state secrets and snarky commentary.

An ancient church on a tiny island covered in stone bible stories has controversially been turned into a museum.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

A Turkish ghost town abandoned in a population exchange with Greece.

"Unity, Creativity, Beauty."

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

The social hall of this former factory is a Communist-era time capsule.

This massive underground salt mine now holds a sci-fi theme park in its depths.

A muddy alien landscape that is home to rare species of exotic plants.

A peculiarly shaped brass sculpture hidden in a courtyard in central Lviv

A Kyiv-based repository for all manners of discarded curiosities.

Some call this eerie forest of crooked trees the "Bermuda Triangle of Romania."

This pink watchtower served as the seat of the Greek government after independence from the Turks.

Monasteries on rock pillars, once accessible only by frayed ropes.

This 13th-century monastery chiseled into the side of a mountain is equipped with a bridge that can be lifted to protect against raids.

The historic tower houses of this nearly abandoned Greek town have been compared to the spikes on an iguana's back.

These ruins of a Phoenician sanctuary in Sicily have a dark history.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

This beehive tomb built for royalty sat hidden for over 3,000 years.