Geology in Arizona

Discover 20 places to experience unusual geology in Arizona.

Littlefield, Arizona

Cedar Pocket Sinkhole

An improbable sinkhole in the sediments flanking the Beaver Dam Mountains.

Tonalea, Arizona

Eggshell Arch

At certain times in the fall and winter, the sunlight makes this natural sandstone arch glow.

Lavender Pit

Bisbee, Arizona

Lavender Pit

This open-pit mine is now an abandoned symbol of Bisbee's copper-mining heritage.

Marble Canyon, Arizona

White Pocket

This mesmerizing and surreal landscape features intricate patterns of white and red sandstone.

Canyon de Chelly

Chinle, Arizona

Canyon de Chelly National Monument

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

DInosaur tracks.

Tuba City, Arizona

Moenave Dinosaur Tracks

One of the most extensive and well-preserved collections of dinosaur footprints in North America.

The Arch

Arch Canyon Trail

A strenuous, unofficial trail leads to spectacular views in one of America's most remote national monuments.

V Bar V Heritage Site

Rimrock, Arizona

Crane Heritage Site

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

Heart of the Rocks Loop

Willcox, Arizona

Heart of the Rocks Loop

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

Red Mountain during winter.

Flagstaff, Arizona

Red Mountain

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

Glitter mountain.

Littlefield, Arizona

Glitter Mountain

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

Entrance to Colossal Cave.

Colossal Cave

Legend says train robbers stashed their gold within the depths of this unusual cave.

Grand Falls.

Grand Falls

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

The Powell Memorial.

Grand Canyon Village, Arizona

Powell Memorial

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

Tucson Mineral and Gem World.

Tucson, Arizona

Tucson Mineral and Gem World

A natural history wunderkammer in the middle of the desert.

Inside the Roden Crater

Flagstaff, Arizona

Roden Crater

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.