The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

One of the few working locomotive roundhouses in the United States.

"The Most Boring Road in the State."

These grassy undulations on a stretch of University of Michigan campus aren't bad landscaping, they're art.

These gardens recreate unique and endangered Michigan habitats.

Lovingly nick-named the "Brick Dick" this municipal tower was winner of the World's Most Phallic Building Contest.

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

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

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

World's largest Christmas store.

Two dozen rescued bears roam (mostly) free at the largest bear ranch in the U.S.

Trade in that pesky human soul for cold-hard circuits.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

The remains of a religious colony, its amusement park, zoo, and baseball empire.

Opulent downtown movie theater now houses cars as an indoor parking garage.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

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

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

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

A Beaux-Arts triumph set to become Ford's innovation campus

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

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

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.