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

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

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

This small, nautical gift shop is home to a 500-pound behemoth.

One of the largest crucifixes in the world stands 55 feet tall in a secluded, wooded area of northern Michigan.

At the top of a local ski mountain is a hidden cemetery containing the graves of just two soldiers.

This museum in the woods evokes the work and lives of Michigan's 19-century lumberjacks.

A series of 33 stone markers maps an ancient 55-mile transportation route.

The remains of an abandoned dinosaur theme park litter the woods just off the highway.

Lovingly nick-named the "Brick Dick" this municipal tower was winner of the World's Most Phallic Building Contest.

These gardens recreate unique and endangered Michigan habitats.

These grassy undulations on a stretch of University of Michigan campus aren't bad landscaping, they're art.

See prehistoric footprints, plus two complete mastodon skeletons.

An ever-evolving wall of graffiti art off East Liberty Street.

Trade in that pesky human soul for cold-hard circuits.

The city is full of whimsical portals to another world.

Everyone's invited to put on a miniature concert with this world-class musical wonder.

Inside the Wayne County airport is an amazing collection of lights and sounds.

An abandoned Victorian-era amusement park is rusting away amidst luxury houses.

Although outnumbered, the Tecumseh Confederacy defeated a large regiment of United States troops.

One of the few working locomotive roundhouses in the United States.

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

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.