You can find America's highest suspension footbridge at Grandfather Mountain in North Carolina.

This curiosity shop contains a museum filled with bizarre, unique objects.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

This small interfaith chapel lies not far from the rim of the Grand Canyon.

These elusive, isolated rodents evolved into a distinct, locally iconic subspecies.

The largest copper mine in Arizona, this enormous open pit emerges from the hills like an alien landscape.

An incredible airplane graveyard sits outside this small museum dedicated to preserving aviation history.

An off-the-beaten path cave with an underground lake.

The cinder cone volcano with a less than complimentary name.

This old selenite mine is dotted with tiny crystals that make it shimmer like it's covered in glitter.

Hike the unusual hoodoos and rock formations that form this little-known natural wonder.

The wreckage of a deadly bomber plane crash can still be found near an Arizona peak.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

For those going through a life transition, a place to leave behind a piece of your former self.

The eroded core of an ancient volcano is now accessible by a short hike.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

A natural history wunderkammer in the middle of the desert.

These free-roaming horses were once destined to disappear from the land.

An artificial crater field that trained astronauts for lunar exploration.

The world's largest military aircraft cemetery.

This golf ball–shaped former desert real estate office now houses a UFO museum.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

A spiritual vortex among the red rocks in Sedona.