A petroglyph map of the upper Snake River carved by prehistoric hunter-gatherers.

The fifth-longest natural arch in the world, and the longest outside China.

See just what life was like in a 19th-century prospecting town.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

Tucked away on a scenic trail, a modest memorial honors one of the greatest writers of our time.

Despite his legacy of work in Spain, Cuba, and Florida, the larger-than-life writer's grave is a simple affair tucked in an Idaho cemetery.

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

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

A dazzling display of red rocks weathered into spires and hoodoos.

Largest collection of mounted dinosaur specimens in the world.

A museum dedicated to the history and art of staying clean.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

A replica that won't float away.