More than 21,000 images fill this overlooked gem of a prehistoric site.

Home of the International Space Hall of Fame.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

Wee (and not so wee) footprints that insects and reptiles of the Paleozoic Era left behind.

A unique geological area spiked with wind-carved rocks that resemble teepees.

This is one really big nut.

Natural sonic phenomenon comes with a grisly legend of murder and blood.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

Legends surround this jagged rock formation in the New Mexico desert.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This 45-story tall abandoned skyscraper is the third tallest building in New Orleans and Lousiana.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

This 19th-century sugarcane plantation is one of the most well-preserved estates of its kind, including its original quarters for enslaved laborers.

The world-record holder for the longest bridge stretching continuously over water.

This unique shop is full of memento mori art, antique medical equipment, secret society paraphernalia, and historical relics.

A little piece of Paris in the sultry south of the U.S.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.