This simple stone monument honors a 19th-century tragedy.

This was the first homestead registered after President Abraham Lincoln signed the Homestead Act into law.

Storage units with a wartime past.

A rancher expanding a natural spring for his cattle came up with bones – lots and lots of them.

America's largest man-made forest was planted in an effort to bring back the past.

A brick-paved former section of the historic coast-to-coast highway.

Other-worldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

The farm toy capital of the world hosts a museum filled with toy tractors dating back to the late 1800s.

Most comprehensive museum in America devoted to one ethnic group.

Two hula hoops appeared on the tree after a storm, and the collection kept growing.

The notorious couple camped at this site after a bloody shootout with police.

Millions of dollars worth of sculpture decorate this Iowa city center.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

This sacred cavern, 400 feet deep, is home to millions of bats and an ancient burial ground.

A Nevada mining boomtown that ran out of silver and luck.

This tiny Minnesota city tried to secede from the Union as a last-ditch effort to fix its crumbling water system.

A unique blue and yellow phone booth in America's "Little Sweden."

A statue high in a hill that represents how Buffalo Bill got his name.

A college in rural Kansas founded to prepare the country for an impending World War III.

This Wild West attraction is probably more fiction than history, but that doesn't mean it's not awesome.

The first home of the doomed aviatrix Amelia Earhart.