Copenhagen's celebrated theme park and gardens.

The turquoise-studded skull of a long-dead Aztec man sits within Mexico City’s Museum of Anthropology.

This colossal ancient jaguar sculpture was used as a vessel for the hearts torn from sacrificial victims.

In Coyoacán, a pair of coyotes crown a public fountain in reference to the ancient Aztec name of the borough.

A jewel of the Mexico city skyline now slowly crumbles after surviving an earthquake.

The striking jade death mask of an ancient Maya king is displayed in a replica tomb in Mexico City.

This ancient jade mask depicting the Zapotec bat god was found in the ruins of the pyramids of Monte Alban.

The only castle in North America to ever house European sovereigns.

Part bookstore, part café, and part forest.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

This exclusive resort has completely covered a tiny Balkan island in a 5-star warren of guest rooms.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

Rome's first modern graffito is all that is left of a peaceful protest from the 1970s.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

The first Russian Orthodox church in the Catholic city of Rome in almost a thousand years.

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

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

With a crest near 10,000 feet, this treeless fault-block mountain in eastern Oregon provides stunning views and spectacular glacial landforms.

A world of craftwork elegantly curated in a historic brick warehouse.

The steepest tramway in North America provides stunning views of the out-of-the-way Wallowa Mountains in northeastern Oregon.

Rushing water plunges over a 100-foot drop created by an ancient lava flow at this majestic waterfall.

This theatre and its amazing marquee harken back to the Golden Age of Hollywood.