The massive machine creates cracking displays of indoor lightning.

"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."

This massive boulder is inscribed with the story of a sensational hostage negotiation dating back to Colonial times.

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

The most photographed house in Maine looks good enough to eat.

Explore the dark underground corridors of this graffiti-covered former military fortification.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

This candy-striped tower is the farthest east you can go in the United States.

This tiny patch of arid sand sits in one of the greenest states in the United States.

The eccentric mansion of one the most popular horror authors of modern times.

Supposed Massachusetts Grave of a pre-Columbus Knight Templar.

This 19th century granite fortification is one of the most well preserved forts in New England.

Over fifty whirling pools left by the glacial age.

America's oldest archaeological site or a muddled case of wishful thinking.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This historic tower in the California desert promises visitors a "vortex of good vibes".

The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

Centuries-old hoofprints and wagon tracks reveal themselves after a good winter storm.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

An inconspicuous suburban street corner is the site of San Diego's worst air disaster.