Hundreds of skulls and bones at the largest skeleton museum in the country.

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

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

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

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

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

This erect, phallic geological spire wasn't always named so domestically.

When ecosystems collide in the arid Southwest.

The largest self-built castle in the U.S., six decades in the making.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

Miraculous tree that seems to sprout out of solid rock.

One of the smallest towns in the United States.

Even in death, he's still your huckleberry.

The highest bridge in America was built for an almost unnervingly small amount of money.

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

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Inspired by a music box, a small town Vietnam vet carved an entire carousel full of animals by hand.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

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

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

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

The largest source of fossilized insects anywhere.