This abandoned prison castle has become an imposing gallery of graffiti art.

The crumbling remains of the first Black-owned and operated hospital in Kansas City.

The famous greeting card maker owns a collection of paintings by the famed surrealist.

This recently restored timepiece has stood all around Kansas City.

The face of the famed flier in a hillside in her hometown.

The first home of the doomed aviator Amelia Earhart.

Famous for its bio-luminescent inhabitants, known as "dismalites."

Underneath this water pump, Annie Sullivan helped Keller speak her first words.

A modest Alabama recording studio where some of music’s biggest voices found their sound.

This two-room shotgun shack in Tupelo is the birthplace of a King.

A cemetery for only coon hounds in northwest Alabama.

You'll need cowboy boots to trek to this old-fashioned saloon nestled in a giant natural cave.

The first commercial phone line west of St. Louis was installed thanks to a group of Cherokee businessmen.

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

Nature's biggest mammal swims in landlocked Oklahoma.

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.

Sid Vicious famously punched a hole in the wall of this iconic music venue.

Songwriter Leon Russell transformed this church into a recording studio used by many legendary musicians.

One of the best examples of Art Deco architecture in the United States.

This massive Art Deco-inspired mural was the world's largest augmented reality artwork at the time of its completion.

An acoustic anomaly with a mysterious cause sits in the heart of Tulsa.

A museum packed with instruments, lyrics, and other mementos of the American folk icon.

A half-size replica of the World Trade Center towers above Tulsa.

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