Geology in the United States

Sand dunes from a glacial lake are preserved in this woodland park.

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

It takes a nine-mile hike to reach these hot springs, but weary hikers are rewarded with stunning views and a warm soak.

A showcase of geologic history is home to one of the largest collection of lunar meteorites on Earth.

A hidden slot canyon in the southern Nevada desert makes an unexpected oasis and scenic hike.

These unique volcanic rock formations offer the perfect opportunity to camp and hike.

A spectacular but little-known slot canyon in extreme northern Nevada, with sheer walls nearly 500 feet high and a perennial stream.

On October 26, 1963, a 12-kiloton nuclear device was detonated here in granite some 1,211 feet below the ground surface.

In one of the hottest parts of the Mojave Desert, shallow bedrock forces the typically dry Mojave River to the surface in this canyon, providing a vital oasis for humans and wildlife.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

In 2018, Pohoiki Road was severed by lava flowing from the eruption of Kilauea.

In Parr Park, thousands of painted rocks line this walking trail.

Located in the remote Monitor Valley, this travertine bowl contains a scalding pool of water.

A strenuous, unofficial trail leads to spectacular views in one of America's most remote national monuments.

An improbable waterfall springs from an orange-white cliff face, tumbling into the headwaters of the Virgin River above Zion National Park.

This large boulder was used as a lookout point by Revolutionary War militiamen.