This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

This North Carolina store preserves a historic moment in America's movement for racial equality.

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

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

These eerie outliers of the lightning bug family glow a mysterious blue color.

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

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

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

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

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

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

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

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

Step inside Lucy, the world's largest "elephant."

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

This historic mini-suspension bridge was swept away once but is now here to stay.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

This 150 foot seven-tiered cascading waterfall is one of the hidden gems of the White Mountains.

Even Henry David Thoreau found this glacial pothole irresistible.

One of the most remote spots in America and the first protected wilderness area in Nevada, named after an old legend.

The Wonder Road aka Doobie Lane, a mile-long strip of dirt road filled with folk art.

Singing sand that stands as the final remains of an ancient lake.

Mine your own precious stones.