This shallow pit was once used to send over 20,000 buffalo plummeting to their death.

A small town built on an abandoned airfield has former runways as streets and a bar and grill in an old airplane hangar.

This Wyoming town is fascinated by a particular mythical creature.

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

Population: 1.

A popular rock that acted as a waymarker for American pioneers.

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

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

Creek water that starts here has a 50/50 chance of ending up in the Atlantic or the Pacific.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

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

One man's ambition created this psychedelic log home.

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.

The first declared National Monument in the United States.

One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.

42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.

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

This 19th century train workshop is a treasure trove of railroad history.

A tiny survivor of the Donner Party disaster.

The capitol city's oldest existing cemetery.

Puzzling...this tree looks like an assemblage of dismembered monkey limbs.

This former boomtown "island" is now submerged below Folsom Lake.