A magnificent waterfall is also home to the remains of a Roman hydraulic engineering system.

A deep mark on the remains of a Roman temple, believed to be left by a legendary warrior.

An unremarkable wooden wheel built into the side of one of Rome's oldest hospitals was part of a policy to reduce infant exposure.

This hidden alley near the location of Rome's first theater was the site of a curious miracle.

An abandoned 17th-century baroque hunting lodge with a wonderfully strange architectural plan.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

The relics of dozens of martyrs are stored in a single chapel.

Trek into the depths of the cave where 17,000-year-old paintings exist alongside 400-year-old graffiti.

See replicas of Europe's most famous cave paintings and even some of the animals that feature in the art.

The middle finger of modernity.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

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

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Renaissance villa and gardens complete with a tormented colossus.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

Famous landmarks and structures from across Italy fill this miniature park.

The glowing blue Nymphaeum of Emperor Tiberius.

A beautifully well-preserved ancient Roman villa.

The Emperor Tiberius' palace of debauchery.

Erotic art covers the walls of the largest ancient pleasure palace.

The first Italian factory to produce locomotives is now a marvelous museum.

Buried next to Pompeii, this lesser-known Roman villa was the opulent vacation home of Emperor Nero's wife.

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

The oldest volcanology research center in the world.