Reason for Michigan's potential diamond mine.

As its grandiose name implies, this wooden dome is unsurpassed in size.

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

A neutrino detector built into the largest man-made underground cavity in the world.

These dramatic cola-colored falls have appeared in a poem by Henry Wadsworth Longfellow and a song by Sufjan Stevens.

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

Beautiful scenery, history, science, and physics come together in this remnant of shipping lore.

Watch the ships come in on Michigan's 210 ft. high observation deck in Sault Ste. Marie.

This 19th-century ghost town offers a stunning view of Lake Michigan and a journey through the region's industrial past.

This nearly 200-foot tall limestone stack offers visitors amazing views and a chance to meet Paul Bunyan and Babe the Blue Ox.

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

Island where motor vehicles are banned -- home to the only carless highway in the United States.

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

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

A Northwoods sporting competition that shows lumber jacks doing much more than cutting down trees.

Legs Inn provides Polish food, a cornucopia of Odawa artwork, wood carvings, and mounted deer heads.

Wisconsin's most celebrated export gets the royal treatment on I-94.

In the main dining room, a nine-ton boulder caps the fireplace designed by local architect Earl Young.

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

There's more contention than one might expect from cherry pie pans.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

Stock up on superb sour cherry preserves made by hand in copper kettles.

The renowned author spent 22 summers of his early life along the shore of Walloon Lake.

As Ernest Hemingway scribbled notes for stories, he left a lasting impression on this bar: a charred hole where he extinguished his cigars.