"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 massive machine creates cracking displays of indoor lightning.

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

This landmark cemetery in Boston was created more than 300 years ago.

Narrowest house in Boston.

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

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Three prestigious academic collections come together to create a world-class natural history museum.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

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

America's first nuclear-powered merchant ship is now a time warp to the atomic age.

This 45-story tall abandoned skyscraper is the third tallest building in New Orleans and Lousiana.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

The South's nickname was supposedly born at a former bank in New Orleans' French Quarter.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

Before becoming a public park, this spot was a shell midden, a fort, and an amusement park.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.

The world-record holder for the longest bridge stretching continuously over water.

Parts of the civil rights movement unfolded in this historic eatery, helmed by the "Queen of Creole Cuisine."

This unique shop is full of memento mori art, antique medical equipment, secret society paraphernalia, and historical relics.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.