The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Explore nearly 400 years of English middle-class home life.

A naturally mummified 2,000-year-old man.

Scattered throughout London are ancient remnants of the city's former bounding wall.

A unique geological area spiked with wind-carved rocks that resemble teepees.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

A multi-storied adobe complex has been inhabited for more than a thousand years.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A museum dedicated to the alleged Roswell Incident.

The ruined remains of an early hydroelectric dam.

Canada's accused-traitor-turned-folk-hero is buried under a red stone in a ring of his own.

A statue in a Canadian zoo remembers the WWI origins of the beloved character Winnie-the-Pooh.

Official museum, hall of fame, and repository of the Texas Rangers.

An abandoned movie set in the desert of West Texas.

A 131-year-old wunderkammer of Texas history.

Three hundred years of preserved Spanish colonial history in San Antonio.

Beer lover's can-covered house.

The Grand Canyon of Texas.

The world's largest squirrel statue clutches a pecan bigger than your head.

A private collection of massive steel monsters guarding a Texas pipe works.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

Free public park and gardens filled with peacocks and peahens.

A 24-hour vending machine restocked daily with homemade full-sized pecan pies.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.