The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.

Advice-columnist's bell tower, paid for with pennies.

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

This railway-turned-greenway provides a pedestrian link in downtown Detroit and celebrates urban artwork.

Over a thousand feet beneath the Detroit streets is a subterranean metropolis few are allowed to enter.

The concrete shell of an industry giant remains as a playground for graffiti artists, auto scrappers, and paintball warriors.

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

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

This feline raises a friendly paw at drivers barreling toward the freeway.

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

Abandoned concert venue legendary for its rock counterculture.

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

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

A luxuriant botanical garden below sea level.

Visitors flock to see this church tower's unintended feature: It happens to resemble a giant chicken from multiple points of view.

This home is decked out like a psychedelic explosion of colors and bowling balls.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

A Northwoods sporting competition that shows lumber jacks doing much more than cutting down trees.

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

This shallow cave got its name from copious amount of human bones found inside.

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

On the shores of Lake Superior, a small group of monks makes sacred sweets.