This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

This 1854 courthouse along the Mississippi River has a storied history.

Even with its slightly risible name this colossal cross is still able to inspire awe.

A wild trout fishery in Arkansas.

The world's longest known cave system.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

World's largest collection of Coke-related items not held by the Coca-Cola company.

The only international border marker within the United States.

This century-old roadside attraction is full of bizarre rock formations.

Kentucky's anomalous peninsula projecting into the Mississippi River, site of legendary earthquakes and local feuds.

Unique tower has outlasted a takeover of the company.

A theme park featuring a replica of Noah's Ark built to the measurements specified in the Bible.

Kentucky, Tennessee, and Virginia meet at this point in the Cumberland Gap.

An enormous natural sandstone bridge in Kentucky.

Outstanding collection of 19th century medical instruments includes a life-size figure cast from as many as 200 cadavers.

One of the few surviving "Wigwam"-themed motels.

An abandoned theme park with a strange and tumultuous past.

A subterranean haunt where wine and homemade biscottis are always on the menu.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.