All that remains of a gigantic earth-moving machine.

Ohio's 19th-century communist micro-society.

An office built to look like a giant basket.

The spectacular collection of one of the world's best woodcarvers.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

The final resting place of the most famous sharpshooter.

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

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

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

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

This lovely public park has an intriguing past and unique wooden bridges made of concrete.

Ancient petroglyphs discovered only after a massive fire swept across Michigan in the 1880s.

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

Unique Michigan homes look like something out of Tolkien's "The Lord of the Rings."

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

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

A park and memorial dedicated to the victims of the deadliest school massacre in American history.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Former self-sufficient mental institution now a planned community.

World's largest Christmas store.

Legs Inn provides Polish food, a cornucopia of Native American artwork, wood carvings, and mounted deer heads.

With over 5,000 champions, the Hall of Fame continues to draw amateur eaters.

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