A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

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

Two massive rock outcroppings on the Oregon coastline.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

A volcanic landmark located on an Ice age lake bed.

This strange hill on Old Fort Road where gravity works in reverse has been fascinating locals for years.

A spectacular overlook of the Little Grand Canyon of the San Rafael River, a deep sandstone gorge streaked with orange, red and white in a remote, uncrowded part of Utah.

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

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

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.

Rippling sand dunes frozen in the Arizona rock.

Dramatic river bend surrounds a natural red-rocked pedestal.

Burping, gurgling geothermal mud pots by the Salton Sea.

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

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

One of the largest, oldest, darkest, quietest motel rooms in the world.

The cinder cone volcano with a less than complimentary name.

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