This 16th-century monastery has been turned into a surrealist architecture compound.

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

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.

Renaissance villa and gardens complete with a tormented colossus.

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

Stalactites and stalagmites in a beautifully lit cave.

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

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

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

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

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