Experience a charming 1930's version of "infotainment."

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

These markers are used to document elevation changes around the famed dam.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

This is one really big nut.

A multi-storied adobe complex has been inhabited for more than a thousand years.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

A natural formation that resembles a camel resting in the New Mexico desert.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

The location where the iconic movie character declared it was time to go home.

A Wild West jailhouse that slid down the mountainside.

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

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

California's longest-running tourist attraction is a stump.

The longest covered bridge west of the Mississippi River.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

The only road through the heart of Glacier National Park.

Spectacular views await visitors to this lake.

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.