This hidden Art Nouveau courtyard is an opulent feast for the eyes.

The oldest operating pharmacy in the world features 800-year-old recipes.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

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

Venice's "Island of the Mad."

The glowing blue Nymphaeum of Emperor Tiberius.

The underground sanctuary of a mysterious ancient cult.

Geothermal waterfalls in Tuscany.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

Stalactites and stalagmites in a beautifully lit cave.

Renaissance villa and gardens complete with a tormented colossus.

Thousands of well-dressed mummies below a monastery.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Architectureal fantasy quarter of Rome.

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

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

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

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

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.