Thousands of well-dressed mummies below a monastery.

Geothermal waterfalls in Tuscany.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

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

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.

The underground sanctuary of a mysterious ancient cult.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

The yawning maw of this pagan visage is said to bite off the hands of liars.

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

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

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

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

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Architectureal fantasy quarter of Rome.

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

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.

Thailand museum of bottles of all shapes and sizes filled with intricate and beautiful art.

A forest of phallic offerings found in a quiet corner of a hotel car park.

This floating cinema brings new meaning to the phrase "going out" to the movies.