This gallery of prehistoric red ochre art lines the wall of a scenic segment in Utah's San Rafael Swell.

Contains a wealth of information about the first exploration and later use of the Green and Colorado Rivers.

A ghost town that held steady longer than most, but finally gave up the ghost.

Thousands of years ago, Indigenous people painted images onto these canyon walls that are still on display today, provocative, mysterious, and enduring reminders of the people who lived here long ago.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

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

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

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

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

These mid-century motels once housed the workers who built the Glen Canyon Dam.

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

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

More than a century old, this trading post resides in the Navajo Nation.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

Preserving the remains of Native American cultures which otherwise would have been submerged behind Hoover Dam.

The drama of nature in full effect in this Nevada State Park.

Named after an outlaw who used the basin as a hideout.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

This experiment in the lifespan of seeds will take a century before it is complete.

The plants form a living library and laboratory for researchers and students at Michigan State University.

Ancient petroglyphs discovered only after a massive fire swept across Michigan in the 1880s.