A museum dedicated to the alleged Roswell Incident.

A cave's rare beauty held a cavernous secret hidden underground.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A natural formation that resembles a camel resting in the New Mexico desert.

The shattered remnants of a meteor that struck Santa Fe more than a billion years ago.

A serene garden path lined with 36 haiku stamped into clay stones.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

It's easy to see why this eclectic architectural wonder has been dubbed the "Spaceship House."

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

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

This replica of the Greek structure is in the heart of Nashville.

A white oak with property rights.

Mysterious rocks that ring musically when struck.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A toxic ghost town sitting atop a massive coal fire.

A layered tribute to the work of mosaicist Isaiah Zagar.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

A fascinating aviation museum where you can chat with the veterans who once flew the aircraft on display.

An old bank vault in Atlanta is now the eternal shrine to the King of Rock and Roll.

An odd and heartwarming stone marker enshrines the moment a community saved a farmer's pig that fell in a well.

Shaped like a big top tent, this memorial honors the victims of a terrible train wreck.

One of the world’s largest collections of paper memorabilia chronicles 4,000 years of papermaking.

A mysterious inscription may hold a clue about the "Lost Colony" of Roanoke.