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

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

Is this 47.7-mile stretch of highway the longest straight road in the United States?

This marker identifies the location where three states converge.

Also known as the Cathedral of the Plains, this church holds the distinction of being one of the "8 Wonders of Kansas."

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

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

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

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

Metal sculpture folk art lining the Kansas Highway.

Massive still life just off the highway in Kansas.

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

Home to Hollywood history and a very special salt crystal.

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

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

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

A house turned museum is the real-life "home" of the fictional main character of The Wizard of Oz.

The first "Hut" was actually a small brick building.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

Curious rock formations in a tiny Kansas state park.

A museum chronicling pioneer life constructed over Interstate 80.