An old spa town in the mountains of Romania where, according to legend, the great hero Hercules once bathed.

Legendary pedestrian bridge in the centre of Romanian city Sibiu.

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

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

Where artisans use centuries-old techniques to build traditional Arabian ships.

A sinkhole and now a swimming hole, too, full of dazzling turquoise water.

This museum in the famously blue neighborhood of Sidi Bou Saïd showcases a traditional Tunisian lifestyle.

Rock carving created 1,300 years ago 75 feet off the ground.

An Italian hillside ghost town.

It's believed that these columns marked the end of the Via Appia.

A long-buried ancient ruin unearthed right in the middle of the city.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

Southern Italy's spinning top village.

The largest and best-preserved Roman amphitheater in Africa was designed to seat 35,000 people.

According to a gruesome legend, an architect sacrificed his wife to build this spectacular, 16th-century cathedral.

This modernist cinema has survived war and reconstruction to become a symbol of Lebanon’s revolutionary spirit.

A monumental underground karstic wonderland is also the water source for over a million citizens of Beirut.

After this one-of-a-kind palace was built the architect's hands are said to have been cut off to keep it that way.

Beirut's thinnest building was the result of feuding brothers.

This tower is all that remains of the mosque that once stood in the center of the city, before it was destroyed by fire in 1941.

This bone-filled cave got its name after they found 140 bear skeletons inside.

A massive cave once a secret military base is now home to thousands of bats.

At less than four inches in height, this iconic fictional character is the smallest public statue in all of Moldova.

For over 40 years, this quaint little house has teetered on a rock in the middle of a river.