Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

World's largest collection of serial killer artwork and other macabre exhibits.

An artsy hidden staircase leads to breathtaking views of San Francisco.

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

Religious statues built because of one man's bargain with God fill this peaceful sculpture garden.

The lost ruins of the forgotten ferry lie hidden beneath the silt.

Take a monster truck tour around an ostrich farm in the middle of the desert.

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

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

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

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

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

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.

Rippling sand dunes frozen in the Arizona rock.