Long before guestbooks and hotels, frontier travelers signed their names on this rock face.

The first declared National Monument in the United States.

A collection of 16,000 antlers crammed beautifully into a small shed.

"Polynesia on the Plains."

With over 340,000 artifacts and counting, there is something for everyone, often called the "Smithsonian of the West."

The only road through the heart of Glacier National Park.

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

The tale of a strong-willed woman who stood her ground when the commercial world came rumbling in.

A wall of chewing gum moonlights as collective art.

A museum dedicated to the history and exploration of both popular music and science fiction.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

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

The largest source of fossilized insects anywhere.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

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

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

A Kansas grassroots sculptor decorates the local roadways with his sculptures made from found objects.

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

Cannon designed to fire an atomic warhead.

The United States's largest hand-dug well is topped with a state-of-the-art museum.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.