A gravestone marks where a man's lost limb was laid to rest.

This canyon is named for a unique geologic formation where the river vanishes underground near the mouth of the canyon and reappears farther down.

A defunct all-girls college which may be the resting place of H.P. Lovecraft's real-life Necronomicon.

Of course the grave of JFK's assassin is surrounded by conspiracy theories.

A modernist landscape of water and sci-fi concrete.

This collection of bronze hands comes from astronauts, presidents, baseball greats, and more.

A serene temple with stunning stained glass hides in downtown Dallas.

This sculpture of a bowler hat is complemented by a matching umbrella a few blocks away.

This downtown Dallas art installation is always on the lookout.

This crumbling UFO is one of only a few remaining "moveable ski chalets" of its kind.

A likeness of Da Vinci's mysterious painting smiles at passersby from the side of a barn.

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

Behind the Cowboy Hall of Fame is a burial ground for good horses and a famed rodeo bull.

This unusually circular centenarian barn became a Route 66 icon.

This little slice of old Jerusalem in Oklahoma is the evolution of a 90 year old passion play.

This ostentatious Italianate palace of an Oklahoma billionaire is filled with several themed mini-museums.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

Celebrate the history of the rich and truly misunderstood relationship between man and pigeon.

An old spiral fire escape dangles above a public courtyard in Midtown Oklahoma City.

A peculiar forest that was handcrafted for government experiments.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

An acoustic anomaly with a mysterious cause.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

An engraved boulder marks the spot where Patsy Cline's life ended in a plane crash.