This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

Berry Gordy Jr.'s old home was the original headquarters of Motown Record Corporation.

The only surviving prototype for Buckminster Fuller's house of the future.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

Astounding collection of coin-operated games and automata.

The remains of an abandoned dinosaur theme park litter the woods just off the highway.

This sprawling bookstore spans four floors and has more than a million books in stock.

This freshwater spring fills with 10,000 gallons of water per minute.

Turnip-shaped island just off the Michigan shore in Lake Huron.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

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

This simple badlands butte is the highest point in North Dakota and may be the only high point to charge admission.

The oldest still-existing mosque in the United States sits in a remote prairie in North Dakota.

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

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

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

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

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

Despite repeated attempts to make it work, this former mining town is now nothing but dust and memories.

The lowest point in South Dakota and the source of the Minnesota River.

The deserted railroad town had a last gasp as a ghost town attraction before being abandoned for good.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."