A diverse, expansive nature preserve in northeastern Kansas.

A cannon designed to fire an atomic warhead.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

This mid-19th-century dugout was once home to a Swedish family as they erected their homestead.

The oldest house in Lindsborg, Kansas, includes some fascinating inscriptions.

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

In the heart of Little Sweden USA, a small gallery and museum pays tribute to a Swedish-born artist who fell in love with the American landscape.

A preserved relic of the 1904 St. Louis World's Fair and a center of Swedish American Culture.

This historic early-20th-century building still boasts some of its original features.

This century-old painting of a portly 10-foot-tall man spent years hidden behind plaster.

Over 30 brightly painted Dala horses roam through ‘Little Sweden.’

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

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

This 41,000-acre wetland complex is the largest marsh in the interior of the United States.

Metal sculpture folk art lining the Kansas Highway.

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

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

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

Whether or not you take the 72-ounce steak challenge, there’s plenty of history, fun and Texas-style food at this legendary stop along Route 66.

These half-buried combine harvesters just off Route 66 are an homage to the Cadillac Ranch.

The Grand Canyon of Texas.

Raised high above the Cimarron River, this 1,268-foot rail bridge followed a half-century of trainwrecks, bridge collapses, and an abandoned town.

An Oklahoma museum that celebrates the history of the "Mother Road."

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.