Right up until the 20th century this network of man-made caves was the biggest village in Eastern Armenia.

A shrine of fire worship built on top of a natural flame.

Home to nearly a third of the world's mud volcanoes, Azerbaijan is home to a messy, bubbling, and sometimes explosive landscape.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

Originally a leper colony, the island is now an Armenian monastery that's home to an incredible manuscript library and eclectic museum.

Some say this medieval church is where the poet Dante married his wife and also met the love of his life.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Two stone columns flank the grand Venice square, but there were supposed to be three.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

The oldest of Venice's plague quarantine stations, designed to keep the medieval city safe from disease.

The mummified relic of St. Catherine sits forever on a golden throne.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

The mummified relic of St. Antoninus.

Long-abandoned art nouveau baths beneath Milan's Piazza Oberdan.

Art and armour fill every inch of this rich kid's Italian villa.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

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

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.