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

Concrete igloos standing across from what remains of the Michigan Central train depot.

Enormous small-business mecca in the Midwest, serving dozens of artists.

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

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

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

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

A Beaux-Arts triumph rises from decades of decay to become the heart of a new innovation district.

The writing studio of an American adventure author, built in the style of a medieval castle.

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

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

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

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.

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

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

A Hawaiian stairway to heaven—that you can't climb.

These gardens celebrate the biological and cultural diversity of the Hawai‘ian Islands.

Hawaii’s largest cemetery rests inside an extinct volcano crater.

This saltwater swimming pool, which is the last of its kind in the United States, is slowly crumbling within sight of multiple high-end beachside hotels.

The last standing piece of a famous Honolulu landmark.

Hawai'i's oldest wooden house was shipped around Cape Horn from Boston in 1820.

An ode to one of the first concerts broadcast via satellite.