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

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

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.

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

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

World's largest Christmas store.

What was once the largest NFL stadium.

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

Largest tulip festival in America, includes fireworks, a parade, and a carnival.

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

Covered in tens of thousands of coats of paint, this Indiana attraction holds a world record all its own.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

Massive still life just off the highway in Kansas.

A whimsical monument marks the highest point in Kansas, not that you could tell by the looks of it.

A diverse, expansive nature preserve in northeastern Kansas.

This cave holds a surprisingly colorful variety of geological oddities.

A cannon designed to fire an atomic warhead.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

Home to Hollywood history and a very special salt crystal.