A plaque immortalizes the spot where the early American spy said his famous last words: "I only regret that I have but one life to lose for my country."

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

Long-forgotten artifacts give incredible insight into New York's most glamorous hotel.

This collection of vintage signs reflects the long and colorful history of this Arizona town.

This Los Angeles animation studio is keeping the wonder of stop motion puppetry alive.

The last standing puppet theater on Long Island.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

Try the alligator at this fondue spot, which has been catering to "lovers and hedonists" since 1967.

In the middle of a remote desert town is a surprisingly opulent hotel.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

An acoustic anomaly with a mysterious cause.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

You'll need cowboy boots to trek to this old-fashioned saloon nestled in a giant natural cave.

A watering hole where the options for seating include a bar, patio, or subterranean cave.

A 115-year-old restored German dining hall awaits those who venture beneath the Minnesota State Capitol.

Eat like pre-Columbian Native Americans in this New Mexico restaurant within the Indian Pueblo Cultural Center.

A museum devoted entirely to the rattlesnakes and snake-related art.

This opulent Pueblo Deco movie palace melds Art Deco and Native American motifs.

The only Native American comic shop in the world.

A unique outdoor timepiece at a "clothing-optional" resort.

Train cars and railroad artifacts abound at this restaurant devoted to railway history.

These mystical miniature houses bring a touch of magic to the New Jersey woods.

Where condemned pirates met their grisly end at the gallows on the River Thames.

The forgotten remnants of a land-to-sea cable car that was once unique in the world.