This ancient structure is widely thought to be the oldest intact pyramid in the world.

The massive cave church of Cairo's Zabbaleen community is one of the largest Christian churches in the Middle East.

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

Dynastic Home of the De Piro Family.

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

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

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

Ancient mysterious ruts carved in the bedrock.

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.

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

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

The ruins of a megalithic monument sit right in the garden of a luxurious Maltese resort.

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

An ancient necropolis of magnificent tombs.

For nearly 2,000 years this church has been waging war on local snakes by importing cats.

Breathtaking Byzantine paintings cover the inside of this 12th-century church.

This 700-year-old Cyprus castle is the birthplace of the world's oldest wine, said to be toasted by Richard the Lionheart at his wedding.

Breathtaking and huge 430 year old maps of Italy.

The site of many battles and tragedies, including the 40 maidens who leapt into the sea.

An architectural marvel that spans the Arda River, and has stories of a haunted past.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.