The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

At 207 feet, one of the world's longest continuous escalators.

The resting place of a Civil War celebrity's amputated limb.

This supermarket is suspended 25 feet above an interstate highway.

The largest body of water in Massachusetts annihilated four small towns just to slake Boston's thirst.

Locals say Williams' ghost still haunts the place where she was murdered.

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

One of America's most historic homes also holds a startling literary legacy.

Books you don’t need in a place you can’t find.

"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."

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

Despite a legend that says this highest peak in Oregon was climbed in high heels, scores of people have died on its slopes.

A massive sea stack famous for its appearance in The Goonies.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

The magic's in the hole!

A century after his death, this covered bridge still calls to mind the plein air painter who loved it.

The homestead of American patriot John Adams.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

The world's longest known cave system.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.