To truly appreciate Detroit's landmark skyscraper, you have to step inside.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

A wonderful and easily overlooked museum tucked in Ohio's Burke Lakefront Airport.

A collection of the best toys ever made, The National Toy Hall of Fame is filled with kids, fun, and for some reason, a bird preserve.

Comprehensive gaming collection of over 30,000 electronic games and consoles.

Every December the Wannalancit Mills lights a Christmas Tree over the old mill's smokestack.

This supermarket is suspended 25 feet above an interstate highway.

The world's largest piece of copyrighted artwork.

A comic book store got the road by its shop officially renamed after Superman's girlfriend.

The Burnside Fountain and its questionable interpretation.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

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

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

"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 miniature feudal castle was built on a whim to honor a US Navy pioneer.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

A serene plaza that commemorates one of the Granite State's most iconic figures.

This modern medieval weapon of war was built to toss pumpkins.

Known as one of the most climbed mountains in the world, this barren peak is permanently bald thanks to an anti-wolf fire.

According to the experts at the Guinness World's Record office, this is the longest candy counter in the world.

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.

Even Henry David Thoreau found this glacial pothole irresistible.

Tucked away in a corner of a Maine general store there was a museum devoted to an equally beloved and reviled local soft drink.

Millions of numbers carved in glass represent the tattoos forced upon victims.