This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.

This subterranean necropolis holds three floors of antler-dug grave caves.

A World War II officers' club features Old West murals painted by German POWs.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

These pretty kitties killed and ate as many as 135 railway workers.

Explore 10 acres of environmental sculptures.

Lie in a hammock where George Washington stood.

Mysterious glowing orbs float through the desert night.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

Try not to get slimed in Tribeca.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

Unrepaired walls from a 1920 anarchist bomb attack.

Once the tallest building in the world and the site of “the highest dinner ever held in New York” this building now holds the most expensive penthouse in the city.

A sinuous path among steep cliffs creates a stunning sight in southwestern Serbia.

Formerly known as the Malay Quarter, Bo Kaap is a colorfully-painted suburb located in the “Mother City” of South Africa.

A spring-fed pool so deep it's used for scuba diving as well as swimming.

A Prada store in the West Texas desert that is never open for business.

Minimalist modern art on a repurposed military base in rural Texas.

An abandoned movie set in the desert of West Texas.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

Ghost town with a beer-drinking goat for mayor.