The final resting place of infamous outlaw Clyde and Marvin Barrow.

Modern technology and live displays tell the story of the Pacific during WWII for the Internet generation.

This enormous World War II relic is one of the largest wooden structures in the world.

Quite simply the largest tree in the world (by volume).

This historic national park is covered in the stunning ruins of red rock pueblos.

An incredible airplane graveyard sits outside this small museum dedicated to preserving aviation history.

This small interfaith chapel lies not far from the rim of the Grand Canyon.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

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

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

The unusual patterns in this rock formation result from two distinct modes of weathering.

A tunnel with windows, so you don't miss out on the impressive views.

A stoic rock cairn is all that remains to remember one of the more brutal instances of frontier treachery in American history.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

When ecosystems collide in the arid Southwest.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The first declared National Monument in the United States.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

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

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.