An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

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

Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

This quiet park's strange sedimentary spires were named after Kodak's color film.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Mysterious face-like images that appeared within an Andalusian house are surrounded by legends of the paranormal.

This interpretive path lets you get up close and personal with dinosaur bones.

The Magical World of George Phar Legler.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

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

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

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

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

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

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

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

A mysterious spirit totem at the edge of Navajo lands.