A popular place to pick up prehistoric coral fossils from the time when Michigan was an ocean.

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

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

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

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

Turnip-shaped island just off the Michigan shore in Lake Huron.

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

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

Eight feet in diameter and more than 24 feet around.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

This zombie-themed restaurant stands out in the heart of corn country.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.