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

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

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

House built with over 60,000 glass bottles.

One man’s vision of living among dinosaurs credits Jesus Christ as the engine of biological evolution.

This empty Detroit high school was too expensive to maintain or destroy.

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

A lavender labyrinth so large it’s visible on Google Earth.

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

Strange physical sensations and optical contradictions keep visitors coming back for more.

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

The only surviving prototype for Buckminster Fuller's house of the future.

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

Largest magic museum in the United States with more than half a million pieces of memorabilia.

Astounding collection of coin-operated games and automata.

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

Abandoned concert venue legendary for its rock counterculture.

These gardens recreate unique and endangered Michigan habitats.

Over 1,000 pieces of one of the most niche art objects imaginable: the glass paperweight.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

This historic hotel invented the chocolate brownie.

The subtle science of a master molecular gastronomist.