Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

This two-room shotgun shack in Tupelo is the birthplace of a King.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

A monument celebrating the idea of reaching inaccessible places.

A former copper mine which became a truly unsuccessful prison.

Alabama has a fiberglass Stonehenge. With apologies to Spinal Tap, this one is full-size.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

"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 private residence was the template for one of the most beloved television homes of all time.

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

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

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

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

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

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

Illegal drag racing two stories beneath Chicago’s streets.