A small house in Tazones, completely covered in shells.

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

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

Statues of a fire-breather, a clown, and a whole performing troupe celebrate Luxembourg's creative side.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

Some believe that the artist behind this whimsical statue inserted his own likeness as a way to discreetly flip the bird.

This Greek Orthodox church houses the mummified body of St. Spyridon.

A solemn reminder of the infamous World War II war crime that massacred almost all the men in a small Greek town.

This town named for the ancient God of War is home to fewer than a thousand people, but it's the birthplace of the Greek Revolution.

This 18th-century former mosque held the first Hellenic Parliament.

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

An ancient Phoenician citadel once stood at the site where Queen Dido first landed, according to legend.

People have been making salt here using traditional methods for centuries.

One of Malta’s most popular beaches features a seemingly out-of-place statue of the Virgin Mary and baby Jesus.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

Despite the name, these small saltwater swimming pools have nothing to do with the Romans.

This unique building in the main square stands out among the city's typically Baroque architecture.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

Overshadowed by other, more famous Maltese catacombs, this ancient burial chamber has one of the best examples of a ritual agape table.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

Once the tallest building in Chisinau, this unique tower is a relic of Soviet architecture.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.