"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

The site of Paul Revere's historic two lantern warning.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

The homestead of American patriot John Adams.

Home to items never before seen by the public.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

The world's longest known cave system.

You thought Santa Claus didn't exist, but it turns out you were wrong.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

The world's largest anatomically accurate brain sculpture.

An abandoned munitions factory with a shot tower continues to wage war on the surrounding environment.

A castle built by an eccentric medieval enthusiast in rural Ohio.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

The once highest point in China blends symbolic design with a kick of adrenaline.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

The most famous location in China was home to whole dynasties worth of imperial rulers.

Beijing's version of Disneyland, completely abandoned, mostly destroyed.

Plagued by riots, celebrity injuries and a tragic death, this amusement park has been demolished.