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

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

The remains of a town so thoroughly destroyed by French forces that the citizens simply left.

A sunken idol welcomes parishioners to Davy Jones' Locker.

A complex, nine-layer maze on the grounds of a Venetian doge's playground.

Medieval town turned hippie commune, once home to the secret foreskin of Jesus Christ.

Eco-village hidden in the foothills of the Alps that created a massive system of psychedelic underground temples.

This medieval Italian town is a sheer (and beautiful) cliffside defense.

A fairytale island floats in the middle of Italy's little-known Lake Orta.

Giant, pink stuffed rabbit on an Italian mountain.

A Nesting Doll of Churches.

Crushed coral and crystals give the sand its signature coloration.

Pilgrimage site for star-crossed lovers.

This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

Abandoned medieval hill town.

Go inside to really appreciate this 500-year-old technological masterpiece.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

This centuries-old Italian chapel hangs midway down a sheer cliffside.

This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.

Ruins of a 10th century church tucked away deep in a botanical garden.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

This enchanting 600-year-old tree is so magical it inspired the beloved tale of Pinocchio.

This 16th-century monastery has been turned into a surrealist architecture compound.

A modern sliver of architecture in Roma.