Jesus' footprints and the first catacombs in the world.

An Italian hillside ghost town.

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

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

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

The final resting place of the poets Shelley and Keats.

The glowing blue Nymphaeum of Emperor Tiberius.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

Venice's "Island of the Mad."

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

Geothermal waterfalls in Tuscany.

Thousands of well-dressed mummies below a monastery.

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

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.

The underground sanctuary of a mysterious ancient cult.

Renaissance villa and gardens complete with a tormented colossus.

The middle finger of modernity.

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

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."