Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

This three-mile concrete levee in Pueblo, Colorado was transformed into the world’s longest painting.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

The highest bridge in America was built for an almost unnervingly small amount of money.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The largest self-built castle in the U.S., six decades in the making.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

After Havre burned down, the best place to build was under the ashes.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Home to three historic ships from the age of Vikings.

Home of a French nobleman's short-lived attempt at raising cattle in the Badlands of North Dakota.

A rim-made reptile in North Dakota.

The world's largest Holstein cow.

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

A monument to the center of the North American continent may be off by a few miles.

Three legendary, living albino buffalo roaming their pastures for all to see.

Dr Barnes' $25 billion private collection of art and arboretum.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

World's first "penitentiary," meant to be humane, drove men insane.