The world's largest flat-topped mountain.

A statue honoring Grand Junction local James Dalton Trumbo, writing from his favorite spot, his bathtub.

Explore a wealth of fossils in one of the most prolific dig sites in North America.

A river runs through this remote valley in a very unexpected way.

Only a few signs remain of the buried Colorado mining town that supplied the uranium for the first atomic bomb.

The giant stump of the once towering cottonwood where Ute people held tribal meetings.

A dramatic coastline that’s home to a rare pine tree.

A blast from the past in central San Diego.

A large stone map of Arkansas awaits visitors to its highest point.

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.

The grounds of former plantations where abolitionist Harriet Tubman spent her youth enslaved are now a museum to her incredible life.

One of the oldest active carousels in the country—but it might be missed by all but the keenest-eyed boardwalk strollers.

Abandoned businesses, homes, and rusted cars are all that remains of this stopover town.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

A marble cornerstone marks the location of what could have been a presidential palace.

You might want to bring a rain jacket to this travertine triple waterfall.

The sea once considered an ecological wasteland is now called "crown jewel of avian biodiversity" by scientists.

At this deceptively beautiful beach, nothing is what it seems.

The ghostly remains of an accidental sea.

A cosmic pit stop just beyond the notorious Area 51.

"Only the devil could play golf here."

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

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