This spectacular track has run continuously since 1882.

When ecosystems collide in the arid Southwest.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

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

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

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

This sidewalk tribute honors Colorado's great culinary creation.

Piled high inside this warehouse and coffee shop are salvaged goods that span every corner of the globe.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

An experimental, automotive replica of Stonehenge.

This replica small town lets visitors take a stroll through the story of progress in the U.S. via thousands of Americana artifacts.

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

A museum chronicling pioneer life constructed over Interstate 80.

More than 150 working bells from churches and one-room-schoolhouses across the Great Plains are assembled in one man's yard.

Home to the world's largest quilt collection dating from the 1600s through today.

A Winnebago Tribe collection featuring arrowheads, artwork, and a mysterious rock carving.

This Nebraska town wants to double its population with plywood cut-outs of townsfolk.

This once rural mansion now sits in the heart of the city.

When an ancient supervolcano erupted, some of Nebraska's prehistoric animals were forever preserved in ash.

Site of the 1879 Cheyenne Outbreak and the site where famed Sioux chief Crazy Horse met his fate.

This erect, phallic geological spire wasn't always named so domestically.

The largest collection of historical roller skates in the world.

This little gem of a museum is a hidden jewel filled with prehistoric treasures.