What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

This overgrown Illinois water park offers a whole new type of adventure.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

This elaborate Hindu temple is located in a Chicago suburb, but looks like it was transported directly from India.

Former hotel turned into haunted playground.

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

This historic Jewish cemetery sits right in the heart of a Detroit car factory.

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.

Former self-sufficient mental institution now a planned community.

This protected area in Lake Huron contains some of the world’s best-preserved shipwrecks.

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

This lovely public park has an intriguing past and unique wooden bridges made of concrete.

An ornate Detroit church, left empty and ravaged by time.

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

A popular place to pick up prehistoric coral fossils from the time when Michigan was an ocean.

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

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

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

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

Abandoned concert venue legendary for its rock counterculture.

A singular collection of hand-built art deco cars are held in a building with style to match.

This former Indiana quarry has been transformed into a park and SCUBA site where divers can explore the drowned mining equipment.

A collection of relics from the Spiritualist Camp Chesterfield.