2300-year-old Roman road connecting the empire.

Jesus' footprints and the first catacombs in the world.

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

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.

This clifftop arch is a natural stunner.

Italy's third-largest Roman arena gives a peek into the underground operations beneath the ancient spectacles.

A submerged archeological park still holds the wonders of a Roman Sodom.

Virgil's many-mouthed gateway to the underworld.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

This crumbling, graffiti-covered mansion sits tantalizingly within reach of the proletariat who frequent a public park.

In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

Architect Le Corbusier built his friend a cubist house to match his impressive collection of cubist art.

Once known as one of the finest tourist railways in Europe.