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

The final resting place of the living embodiment of the famous Forest Service symbol.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

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

A museum dedicated to the alleged Roswell Incident.

A prison-like structure guards the remains of a notorious Old West outlaw.

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

A cemetery housing wild west legends in South Dakota.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

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

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

The first declared National Monument in the United States.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A somber monument commemorates the site of a Native American reservation marked by suffering.

Even in death, he's still your huckleberry.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.

The remote resting place of a notorious Wild West outlaw whose death is shrouded in mystery.