A painted-over wall in Detroit originally built to segregate a black community from an adjacent white development.

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

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

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

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

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

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

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

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

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.

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

This picturesque cottage was the site of Ulysses S. Grant’s final and perhaps most important campaign.

Dozens of houses in the Adirondack Mountains are reminders of a literal "cottage industry" to cure people of a deadly disease.

Learn about the last river many crossed to find freedom from slavery in the United States.

It wouldn't be long after purchasing this farm, Brown would lead his siege on Harper's Ferry.

The seat of Buffalo government is a gorgeous Art Deco palace.

The schoolhouse where Jesse Merwin, the inspiration for the "The Legend of Sleepy Hollow" character, once taught.

The first American home of the isolated, egalitarian religion has a trove of Shaker architecture and artifacts.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

The little-known final resting place of one of America's greatest writers.

The wooden octagon in which Huckleberry Finn and A Connecticut Yankee were born can still be visited in upstate New York.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

The real-life site of Ichabod Crane's infamous gourd attack.