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

In the sleepy town of Gozo exists a reproduction of the entire town of Bethlehem.

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

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

This subterranean necropolis holds three floors of antler-dug grave caves.

A hidden tunnel of bones in one of Malta's oldest churches.

The Jesus tree of Malta bears a striking resemblance to Christ on the cross.

Abandoned Roman Catholic chapel abused by Satanists before being restored.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

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

This almost-forgotten underground dungeon housed several convicts over the years, including Caravaggio.

Dynastic Home of the De Piro Family.

A centuries-old forgotten underworld lies beneath Malta.

This church is named for one of the most dramatic tales in the early Christian church.

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

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

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

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.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

Every inch of this chapel is covered in craftsmanship from across the world.

Built on a medieval synagogue, this church has a burial crypt, tunnel system, and Jewish ritual bath hiding deep underneath.

Italian cave with exceptional acoustics and an unsavory history.

This uncanny fresco celebrating the "triumph of death" was split into four pieces to be moved to another museum.