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

World's largest Christmas store.

The world’s largest Masonic temple was saved by the White Stripes.

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

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

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

This Toronto garden collects stares and tchotchkes in equal measure.

This colorful creation wasn't always a welcome part of Toronto's Moccasin Trail Park.

Room 32 of the Alta Cienega Motel has grown into a shrine to the Lizard King.

A giant donut stands as a popular symbol of Los Angeles iconography.

The library of every book lover's dreams.

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

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

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

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

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

The collection of ceremonial and cultural objects spans many countries and hundreds of years.

Astounding collection of coin-operated games and automata.

The pieces in this sculpture garden are made from demolished buildings that were once landmarks of Motor City.

The site of the climactic scene from the classic horror film is now a historic landmark.

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