The oldest farmer's market in America is so ancient it was approved by the King of England.

A diorama of the Civil War, fought by cats.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

World's first "penitentiary," meant to be humane, drove men insane.

An eccentric priest's tribute to George Washington, this chapel tells the story of the American Revolution.

A Harvard-area eatery preserves the uncovered tiles of its century-old predecessor.

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

Eat first, shop later at this eatery within an Asian grocer.

An enormous, inside-out glass globe built in 1935.

"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 nearly endless university hallway is home to a unique sunset known as "MIThenge."

The longest navigable underground river in the United States is home to countless blind and albino animals.

A curiosity-seeker's paradise set inside a three-story historic school house.

Locals place their offerings on this nightmarish gnarled tree so the witches won't summon another storm.

Instead of becoming a power plant, this abandoned complex became a massive letdown.

One of the few surviving "Wigwam"-themed motels.

A restored, one-room African-American schoolhouse in the diva's hometown now preserves the legacy of its most famous student.

Patrick Dougherty's fantastic living tree sculptures, mind-blowing but temporary.

Taxidermy, Cigar Store Indians, A Model of a New York Tenement and Delicious Draft Root Beer.

A heartwarming message to those entering and departing Music City from above.

This award-winning men's bathroom was just too beautiful to not allow women to see.

Dinosaurs invade a suburban Nashville neighborhood.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.