The narrowest house in America is seven feet of pure spite.

The resting place of a Civil War celebrity's amputated limb.

The home of pigs, snakes, chameleons, and the alleged largest bunny in the United States.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

The remains of this rugged homestead ranch offer a brief glimpse into a bygone era.

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

A natural history wunderkammer in the middle of the desert.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

The Magical World of George Phar Legler.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

Explore the legends surrounding these mythical sea creatures inside this museum.

A state park that once served as an important river crossing, and now offers protected lands for endangered plants and animals.

George Washington's dentures and Queen Victoria's dental instruments are in the nation’s official museum of the dental profession.