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

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

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

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

This memorial to the Mercury Seven astronaut stands at the site of his former elementary school.

An opulent testament to the boom-and-bust history of industry in north central Indiana.

This shop is named for a runaway elephant who smashed through its doors, stole some peanuts, and spent five days on the lam.

A singular collection of hand-built art deco cars are held in a building with style to match.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.

You thought Santa Claus didn't exist, but it turns out you were wrong.

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

The longest navigable underground river in the United States is home to countless blind and albino animals.

This shallow pit was once used to send over 20,000 buffalo plummeting to their death.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

Miraculous tree that seems to sprout out of solid rock.

A monument to the egos of two railroad magnates that fell into decline along with their careers.

The first declared National Monument in the United States.

The Kalamazoo factory has 100 years of instrument-making, and one big wartime secret.

This mansion was made famous by its colorful cast of owners and location along the Sante Fe Trail.

A remarkably opulent mansion with a tragic history.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

A memorial for the mustachioed record-setting runner.

Journey through a bit of nostalgia inside this classic record and video store.

A public fountain that spouts "health water" from a nearby spring.