Louisiana's tallest waterfall is only a short hike away from the middle of nowhere.

A short boardwalk through a swamp leads to the spot from which the Louisiana Purchase was surveyed.

The home and birthplace of Caroline Dormon, a naturalist, artist, and the "mother of the Kisatchie National Forest."

The humble Hoosier roots of a famed Broadway composer.

Symbolic attempt to overcome the issues of life.

Located in a remote part of a Louisiana wildlife refuge, this tree has been standing for more than 1,200 years.

Explore a misty river canyon from a metal bridge system.

This towering volcanic plug stands out among the dramatic formations that dot this otherworldly desert valley.

One of the American Southwest's most extensive collections of Navajo rock art.

Legends surround this jagged rock formation in the New Mexico desert.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

These tall, red sandstone pinnacles outside Moab are often forgotten amid their more famous neighbors.

A small oasis not far from downtown Moab.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

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

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

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

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

The only road through the heart of Glacier National Park.

Creek water that starts here has a 50/50 chance of ending up in the Atlantic or the Pacific.

This UFO landing strip was created by a charitable Wyoming city that was worried about residents of Jupiter.

A beautiful geyser under environmental threat.