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

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

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

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

A sharp bend in a dramatic river canyon cut through red rocks.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

See massive fossils that are over 200 million years old in northeastern Arizona.

A spiritual vortex among the red rocks in Sedona.

An urban laboratory.

A geological mystery on Camelback Mountain.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

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

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Curiously, this large sporting goods store features 14 wax representations of American presidents.

A museum, walk-through diorama, and library nestled under one castle-like roof.

The largest outdoor art gallery in the Northwest United States.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

Home to the deepest rift anywhere on Earth.

This museum glorifies the humble potato.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

A fitting attraction for the corn capital of the world.