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

Virgil's many-mouthed gateway to the underworld.

For decades, vendors have sold clothes once worn by American soldiers who stormed Italy in the 1940s.

This monumental fountain has moved around the city multiple times.

A popular legend claims that the famous pizza was invented at a restaurant in this alley.

Richard Luke Concanen never set foot on American soil.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

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

Jesus' footprints and the first catacombs in the world.

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

Geothermal waterfalls in Tuscany.

2300-year-old Roman road connecting the empire.

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

Renaissance villa and gardens complete with a tormented colossus.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

A large statue of Pope Gregory XIII in Bologna was disguised as Saint Petronius to avoid destruction.

At this exhibit on the world of poison, venomous animals steal the show.

German and American troops joined forces to defend this fortress during the strangest battle of World War II.

Archduke Ferdinand II's collection of rare objects is considered one of the oldest museums in the world.

The world's oldest known salt mine.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

American soldiers discovered Europe's best one-liner at the end of World War II.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

Double spiral staircases are not unheard of, but they are very rare.