A lonely house representing railroad history tells the stories of those who rode the rails.

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.

This sky-high radio mast is formerly the tallest man-made structure in the world.

Annual convention held by the largest pyrotechnic community in the world.

The world's tallest turtle riding the world's largest snowmobile.

Part of a secret 1970s nuclear defense program is now open to the public.

The ruins of Theodore Roosevelt's beloved ranch stand in a forgotten corner of a national park named after him.

One North Dakota man's vast collection of rare rocks, polished orbs, and geological wonders.

The world's largest Holstein cow.

These former Cold War launch sites have been preserved for tourists to see where the button might have been pushed.

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

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

One man's quest to save his town with a trail of record-breaking sculptures.

The remnants of an early American attempt at missile defense.

As a show of peace, a Japanese naval pilot gifted his 400-year-old Samurai sword to the Oregon town he bombed.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

Glass and concrete building designed by Albert Kahn.

Deep scars on the earth left by the Ice Age.

Once the tallest building in Detroit, this Gothic church houses some of the oldest stained-glass windows in the country.

Detroit housing collective working to create an "environment for revolutionary change."

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

Detroit’s downtown castle is one of the oldest structures in the city.

Dilapidated Mayan-themed ballroom was one of Detroit's most popular venues through the 40s.