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

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

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

A stealthy Apache hideaway that became the haunting site of a mass grave.

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

Eons ago, a rushing lava river formed this pristine passage through solid rock.

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

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

Don't blink or you'll miss it.

This comprehensive collection features Native American artifacts dating back centuries.

The state's only comprehensive museum dedicated to the mineral that defined its history and economy.

Inside this store, a mysterious statue draws visitors from the world over.

The largest and most well-preserved petroglyph site in the Verde Valley.

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

This remote desert watering hole has a connection to a curious chapter of American history.

See massive fossils that are over 200 million years old in northeastern Arizona.

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

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

A mysterious spirit totem at the edge of Navajo lands.