"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

This constantly evolving art space saved an Italian town from its own crippling reputation.

142 ceramic steps become a mosaic once a year.

Italian cave with exceptional acoustics and an unsavory history.

According to Greek mythology, this natural spring is the home of a freshwater nymph.

The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

This prison on the Maltese island of Gozo is almost 500 years old, and they have the graffiti to prove it.

These temples are among the oldest free-standing stone buildings in the world.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

At more than 5,000 years old, these structures are among the oldest free-standing stone buildings in the world.

Enigmatic tombs and cave dwellings on the outskirts of a rural village.

These lesser-known Maltese catacombs date back over 1,700 years.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

This garage is frozen in the late 1990s, full of rare and untouched cars and motorcycles.

Ancient mysterious ruts carved in the bedrock.

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

The remains of a 1st-century aristocratic Roman town house featuring beautiful well-preserved mosaics.

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

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

After 400 years of being closed to the public, this monastery's underground tunnels and secret garden are now a museum.

A centuries-old forgotten underworld lies beneath Malta.

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

The medieval home is still engraved with the symbol of the profession, an eye flanked by two axes.