The magic's in the hole!

An alchemist's "magic door" stands in the middle of a Roman park.

What appears to be an ancient Roman temple is actually a Catholic church.

These roaring primates were considered a divine creature in the cosmology of the Maya.

Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.

This picturesque Umbrian city has a subterranean side that has long remained hidden.

Water and windows define this defensive Italian well.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

This cascade of mineral-rich hot springs and waterfalls is an oasis in the Jordanian desert.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

Erotic art covers the walls of the largest ancient pleasure palace.

The walls and streets of the ancient city are peppered with penises.

Ancient snack bar of the Roman Empire re-opened.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

Pompeii's less famous neighbor is still revealing her secrets.

This medieval city gate is now a blend of the past and the modern world.

An overlooked memorial honoring the local Washington residents who died in World War I.

Look closely and you’ll notice that the color changes a third of the way up the tower.