Every inch of this chapel is covered in craftsmanship from across the world.

Cave shrine on Monte Pellegrino.

Behind medieval walls in a corner of bustling Palermo is a breathtaking former mosque once inhabited by a wolf-taming hermit.

The walls and streets of the ancient city are peppered with penises.

Ancient snack bar of the Roman Empire re-opened.

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

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Geothermal waterfalls in Tuscany.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

The ruins of an ancient stadium that hosted gripping chariot and horse races.

The effect of this ancient form of image projection situated atop an 11th century Moorish palace is thrilling.

This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.

An impressive display of ships and artifacts from the ancient Mediterranean maritime trade.

Geological storytelling.

Thanks to an acoustic anomaly, this unassuming stone bench has heard one hundred years of secrets.

A display of torture devices used in the Spanish Inquisition and other scourges of medieval Europe.

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

Cliffside houses provide a spectacular view from their perch above the valley.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'