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

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

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

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

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

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

Venice's "Island of the Mad."

Geothermal waterfalls in Tuscany.

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

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

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

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

A fairy tale castle in modern Rome.

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

Five candy-colored villages on the Italian Riviera.

A complex, nine-layer maze on the grounds of a Venetian doge's playground.

The plague quarantine island home to the alleged "Vampire of Venice."

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

This centuries-old Italian chapel hangs midway down a sheer cliffside.