This military mausoleum captures the solemn grandeur that most memorials only aspire to.

An eccentric artist's abode in this small Italian town has been transformed into a surreal temple of mosaic madness.

An open-air museum in a mountain valley features works designed to blend in with—and disintegrate back into—their natural surroundings.

A madman's personal garden filled with 1,000 sculpted heads.

A factory director designed what was the world's longest suspension footbridge in 1923 so his employees could get to work safely.

Geometry and mystery come together in an epic show of octagonal masonry.

These gutted monastery ruins still stand proudly in the middle of the Italian countryside.

Roman-era ships unearthed...

A fairytale-like medieval church perched atop a rocky cliff on Italy's "Coast of the Gods."

A stunning bridge that appears as if it's lunging to the shore, and has a legend of a devilish architect.

These delicate sand pyramids look like naturally occurring gothic spires.

A formerly opulent Italian village is now a crumbling ghost town that no one really knows what to do with.

A domed disco abandoned since the '70s now attracts artists and explorers under its unique roof.

The bomb-ravaged remains of of a colossal Neptune.

A stunning cemetery famous for its extraordinarily delicate & lifelike mourning sculptures.

This Italian dam is covered in salt-hungry goats who manage to scale its almost vertical face.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.

A once-luxurious, now abandoned hotel in the Italian Alps.

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

"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

The Roman Emperor's lost summer home and grotto full of enormous sculptures sit along the Italian seashore.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

The sinister ruins of one of the worst dam failures of the 20th century lie in this astonishing alpine setting.