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

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

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

The 7,000-year-old calcium carbonate formation creates a magnificent natural bridge.

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

This highest peak in New Mexico is named after an explorer who had a habit of lending his monicker to peaks.

The highest point in Texas is capped by a big silver pyramid.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

The final resting place of the camel who served with the Confederate Army during the Civil War.

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

In Paradise Cemetery resides a mysterious headstone with a strange inscription.

The Grand Canyon of Texas.

A museum chronicling pioneer life constructed over Interstate 80.

Community owned and operated, this property is home to a diverse set of nudists.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

Take a dip in the world's largest mineral hot springs pool.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.

This Chinese-style quartz sundial was saved in its final hour.

A downtown park built on top of unclaimed graves.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.