In the middle of a remote desert town is a surprisingly opulent hotel.

Christianity and Islam have clashed, yet here a Serbian Orthodox church and a mosque stand together.

A 11-foot former president stands on a Kosovo street that also bears his name.

This beautiful 14th-century castle perched on a promontory overlooks the Bay of Trieste.

Piran’s oldest square is laden with history and a beautiful 18th-century reservoir.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

A scrap-metal sculpture recalls an infamous 19th-century camel.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This enchanting Victorian estate was home to the world's first hydroelectric power generator.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

Also known as “Robin Hood’s tree,” it became a famed location along Hadrian's Wall before it was cut down.

Wonderfully preserved Victorian factory, complete with a preserved steam powered engine house.

With lush plants and flowers, huge trees, ponds, and hidden monuments, this place feels a bit like discovering Narnia.

This Roman amphitheater is said to be King Arthur's legendary Round Table.

An ancient Roman altar named after Robert the Bruce.

An eccentric aristocrat brought these Australian natives to their current Scottish home.

The Neapolitan Cult of the Dead still cares for the skulls at this mini-Fontanelle.

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

This WWII aircraft museum presents its wrecks like taxidermy, complete with recreations of the crash sites.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

A collection of haunted objects and macabre oddities under one roof.

Nevada's largest cactus collection stands outside a candy mogul's small factory.