An angular maze of concrete in Grand Rapids acts both as public art and as a staircase for fish traveling upstream.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

Weighing 30,000 pounds, this monument represents Detroit's first industrial era.

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

Detroit’s downtown castle is one of the oldest structures in the city.

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

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

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

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

The bones of an old zoo crumbling in the shadow of a new one.

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

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

A historic and oft-filmed prison stands in a Chicago suburb.

First planned industrial community in the United States.

Julia Buccola Petta's body was peculiarly well-preserved when it was exhumed six years after her death.

A hollow cement depiction of time's inexorable effect on the human body.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A display of magnificent stained glass windows is the first exhibit of its kind.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.