This seaside sanctuary was once one of the most important religious sites for women in ancient Greece.

This ancient castle has been abandoned since the Edwardian conquest of Wales.

Why settle for barbecue chips when you can get actual barbecue?

Deep in the Negev Desert, the world's tallest solar tower looks like a sight straight out of science fiction.

A fake medieval village in the middle of Turin.

Anatomical cabinet holds unexpected treasures.

A modern sliver of architecture in Roma.

Ancient snack bar of the Roman Empire re-opened.

The sinister ruins of one of the worst dam failures of the 20th century lie in this astonishing alpine setting.

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

The Sighignola summit on the Swiss border offers views so breathtaking it's been named one of the most beautiful places in Italy.

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

The location of the last witch trials of Italy, known as "The Salem of Europe."

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

Pilgrimage site for star-crossed lovers.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.

Ruins of a 10th century church tucked away deep in a botanical garden.

Stalactites and stalagmites in a beautifully lit cave.

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

Renaissance villa and gardens complete with a tormented colossus.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A 16th-century horror show built in a lovely Italian garden.