Ancient petroglyphs discovered only after a massive fire swept across Michigan in the 1880s.

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

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.

Unique Michigan homes look like something out of Tolkien's "The Lord of the Rings."

The writing studio of an American adventure author, built in the style of a medieval castle.

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

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

The city is full of whimsical portals to another world.

Turnip-shaped island just off the Michigan shore in Lake Huron.

This freshwater spring fills with 10,000 gallons of water per minute.

This Detroit ruin was once a gothic bastion of its community, but now it stands as a haunting ruin.

Literal "money laundering."

The bank that helped fund the Mexican-American War and the purchase of Alaska met its downfall after helping Augusto Pinochet launder money.

Washington D.C.'s most famous pianist, composer, and bandleader still tickles the ivories outside Howard Theater.

Home to two notable early-20th-century Black educators, Lucy Slowe and Mary Burrill.

Now a living classroom, this house was once the home of Reverend James Clinton Dent, a formerly enslaved man and a pastor.

The former home of the woman who successfully fought to integrate restaurants in Washington, D.C.

Depending on who you ask, this controversial treehouse is either a charmingly creative child's playhouse or an illegal encroachment on public land.

Railroad officials in the early 1900s sought to spare travelers the sight of Roman soldiers’ private parts.

This statue of the "father of television" stands prominently in the United States Capitol.

The world's oldest soul food restaurant is also one of its best.

D.C. once had its own tiny rival to the New York Stock Exchange.

Through the decades, Black music stars have performed at this historic hub for music and the arts.