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

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

This small chapel is built of human bones and decorated with a golden skeleton.

Ancient snack bar of the Roman Empire re-opened.

The glowing blue Nymphaeum of Emperor Tiberius.

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

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

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

100 year tradition of fist fights, marked by marble footsteps.

Go inside to really appreciate this 500-year-old technological masterpiece.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Thousands of well-dressed mummies below a monastery.