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.

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

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

Nature has shaped this drainage tunnel into the digestive tract of a mighty beast.

The damming of the Colorado River buried an iconic geologic formation before record-breaking drought brought it back.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

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

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

This magnificent natural sandstone bridge is one of the largest in the world and is an iconic symbol for Lake Powell.

Rippling sand dunes frozen in the Arizona rock.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

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

This unique competition celebrates an American Indian and Canadian First Nation cultural tradition.

Archaeologists believe this panel of petroglyphs depicting descending sheep and other figures in Glen Canyon are 3,000 to 6,000 years old.

These free-roaming horses were once destined to disappear from the land.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

For those going through a life transition, a place to leave behind a piece of your former self.

Once disputed as the largest sundial in the world.

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

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

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

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

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