Fittingly, America's museum of architecture is itself a magnificently designed old building.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.

A wall of chewing gum moonlights as collective art.

This bar named after the world's first mixed cocktail was home to one of New Orleans' most notorious politicians.

A snapshot of the city's fascinating voodoo culture.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Everyone's invited to put on a miniature concert with this world-class musical wonder.

Where the Model T was made and the assembly line was invented.

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

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

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

World's largest Christmas store.

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

What was once the largest NFL stadium.

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

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

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

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

The city is full of whimsical portals to another world.

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