The largest protected conservation area in the Ozarks—a region that stretches into northern Arkansas and southern Missouri.

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

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This strategically-placed fountain creates the magnificent illusion of mustangs galloping across a river.

A beautiful South Korean gate and garden in Little Rock honors American Taekwondo.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A multi-storied adobe complex has been inhabited for more than a thousand years.

An unconventional monument to one of America's largest landowners.

A saloon and inn that served the Wild West's most iconic figures—and is still haunted by some of them today.

Belly up to the bar in Cowtown, don't forget to buy some boots.

Oldest Protestant church in the Middle East, designed to resemble a synagogue.

The only quarter of the Old City not dedicated to a major world religion.

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

A home designed to be on the cutting edge of comfortable, low-cost living.

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

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

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

This mill has survived a tumultuous past to still produce flour and cornmeal.

In Oklahoma City's Bricktown, there's a street that don't use jelly.

Nature's biggest mammal swims in landlocked Oklahoma.

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

A Route 66 filling station that was designed to resemble the Hagia Sophia, and is now the symbol of an arts district.

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