Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

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

The middle finger of modernity.

A strenuous, unofficial trail leads to spectacular views in one of America's most remote national monuments.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

New Orleans' famous cemetery, located on the site of a former race track.

Built by a king and rebuilt by an emperor, this aqueduct transported water for 1,200 years to this ancient Mediterranean hub.

A saloon and inn that served the Wild West's most iconic figures—and is still haunted by some of them today.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

The oldest continuously occupied public building in the United States.

This popular pilgrimage site offers a hole filled with holy healing dirt.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

An ancient tunnel in Jerusalem built to redirect water in the event of a siege is one of history’s great architectural innovations.

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

Dozens of elegant ceramic tiles decorate these ancient walls, each displaying the Lord's Prayer in a different language.

The hallucinogenic center of the ancient world.

This oasis-like spring in the Sonoran Desert is home to unique, endangered species.

A former department store turned into a quirky restaurant.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

The largest copper mine in Arizona, this enormous open pit emerges from the hills like an alien landscape.