This one-of-a-kind Roman arch is not actually dedicated to the god Janus.

The world's largest bamboo labyrinth is a living demonstration of the plant’s immense potential.

Rome's first modern graffito is all that is left of a peaceful protest from the 1970s.

Ride a boat through this magnificent underground world, which now doubles as a theater.

A lover's walk between hilltop towns, decorated with graffiti love notes.

Medieval torture techniques with a modern conscience.

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

The world's most active stratovolcano is almost always erupting.

Romans built the world's tallest artificial waterfall in 271 BC.

Dramatic sea stacks adorn the coast of this small village on the Adriatic coast.

The astonishing collection of an infamous criminologist.

Crossing this suspension bridge feels like walking through the sky, a fitting tribute to the head of the Apollo program.

Natural cathedral designed by Italian artist Giuliano Mauri.

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

The location of the last witch trials of Italy, known as "The Salem of Europe."

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

Pilgrimage site for star-crossed lovers.

This large, circular tomb is the final resting place of the first emperor of Rome.

Crushed coral and crystals give the sand its signature coloration.

Jesus' footprints and the first catacombs in the world.

Stalactites and stalagmites in a beautifully lit cave.

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

Renaissance villa and gardens complete with a tormented colossus.

The middle finger of modernity.