A large stone map of Arkansas awaits visitors to its highest point.

A wild trout fishery in Arkansas.

A peaceful place in the woods where everything is a work in progress.

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

Bronze statue marks the spinach capital of the world.

An extravagant western hotel where every floor is the "ground floor."

Twenty-year effort to raise a castle using tools and techniques from the 13th century is now abandoned in the Arkansas woods.

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

This historic bridge has weathered fires and floods and still stands, now abandoned, where it has stood since 1874.

An abandoned early-20th-century boomtown sits within the Calico Rock city limits.

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

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

One of the most acclaimed eateries in Arkansas is a two-table diner on the ground floor of a family home.

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

The Ozarks' strangest dwelling.

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

The final remnant of the Arkansas zinc industry is this historically protected ghost town.

A mysterious light floating in the trees of Arkansas may be a piezoelectric effect.

The only diamond mine in the world where you can keep what you find.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

Site of the 1926 murder trial of Ernest Burkhart who was involved in the "Reign of Terror."

This beacon for pre-radar pilots once guided Charles Lindbergh to a safe touchdown in Tulsa.

It reportedly took three years to sort through all the objects in this eclectic lifelong collection.

Over 50 historic windmills whir away at this outdoor museum.