Where hills of dirt conceal the burial ground of one of the most powerful ancient Native American societies.

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

This one-room schoolhouse in rural Arkansas dates to the 1920s, but looks like it could be the 1820s.

The granite monument is engraved with the image of the talking horse's head coming through a barn door.

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

Peak named for an old man who liked to run in the nude.

When you can afford only half a road, you build only half a road.

The modest childhood home where the baseball legend and Yankees star learned to hit from both sides of the plate.

This historic theater's pipe organ still accompanies silent films just like it did in 1929.

This former mining town was named the most toxic town in America.

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

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

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

The Ozarks' strangest dwelling.

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

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

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

Where the author wrote her beloved "Little House" books.

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

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

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