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

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.

A submerged archeological park still holds the wonders of a Roman Sodom.

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

Water and windows define this defensive Italian well.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

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

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

Ancient snack bar of the Roman Empire re-opened.

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

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

Deep in the countryside lie the remains of one of the grandest Roman dwellings in Britain.

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

These "anatomical machines" are only one of the many strange items in this Italian crypt.

The "Greatest Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

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

Italy's third-largest Roman arena gives a peek into the underground operations beneath the ancient spectacles.

The Emperor Tiberius' palace of debauchery.

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

Fantastic collection celebrating the final send-off.

This seaworthy collection was sparked by one man's passion for sailing.

At the "Garage Mahal" in Houston, car culture is about more than just driving.