The city is full of whimsical portals to another world.

Dilapidated Mayan-themed ballroom was one of Detroit's most popular venues through the 40s.

Abandoned concert venue legendary for its rock counterculture.

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.

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

Berry Gordy Jr.'s old home was the original headquarters of Motown Record Corporation.

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

Concrete igloos standing across from what remains of the Michigan Central train depot.

Collective made up of artists, musicians, and activists.

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

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

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

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

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

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

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

The final resting place of the most famous sharpshooter.

This Indiana walk of fame honors music legends with record-shaped plaques in the pavement.

The first spinning jail built in the United States is the only one that still turns.

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

The largest historic preservation organization in the United States.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

The remains of a Rockefeller's lush Italianate estate hidden in the underbrush on the coast of Lake Michigan.