A memorial to the most decisive Native American victory of the Plains Indian War.

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.

The oldest badlands in North America, Makoshika State Park takes it name from the Lakota words for broken land.

A true roadside icon standing on the same plains that the herds once roamed.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

This mangled and twisted wreckage left by the side of a Mexican road was no accident, but a planned crash in the name of science and safety.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

The world's largest public collection of PEZ memorabilia.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

This candy-striped tower is the farthest east you can go in the United States.

This collection honors the iconic, and proudly American lighter that just won't quit.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

This popular pitstop lives up to its name.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

The longest spit in the United States ends at a lighthouse in the Strait of Juan de Fuca.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

A glimpse into the "Logging Capital of the World" at a time when there was far more forest and far less machinery.

The second tallest railway trestle bridge in America.

The remains of the first public diamond mine in Arkansas.

The only diamond mine in the world where you can keep what you find.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."