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

This historic black and white monastery is one of Bulgaria's architectural jewels.

Ruins of an early Roman Christian church dating back to the 4th to 5th centuries.

Legend says if you stick your thumb in the hole and it gets wet your wish will be granted.

Over the centuries, this island paradise has done it all, from providing monks with ecclesiastical respite to sheltering an exiled Leon Trotsky.

A meow-velous tribute to a beloved street cat, made famous on the internet.

Ottoman-era houses lovingly preserved.

Mediterranean castle on a tiny Turkish island.

The water here is so clear you can see the mysteriously sunken ship from the surface.

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.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

Once described as the "Eagle's Nest," this ruined ancient city rests on a remote mountaintop.

A recently-abandoned international exhibition center.

A little-known caravanserai hidden among farmhouses in the Turkish countryside.

This church houses the tomb—but not the remains—of St. Nicholas, the likely progenitor to Santa Claus.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

One of the most exquisite Lycian hilltop citadels in Turkey.

Swarms of dainty flying insects swarm into the Petaloudes Valley to get busy.

A dark, narrow tunnel that leads to a charming lake and waterfall.

Learn about the sweet, storied legacy of beekeeping in ancient Greece.

At this ancient settlement at the foot of Mount Babadağ, honeycomb tombs are carved into a round cliff.

One of the best-preserved medieval streets in Europe.