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

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

A larger-than-life monument to the overlooked women who braved Western expansion and broke down societal barriers.

One of the largest Masonic temples in the world, created at the height of the oil boom in ostentatious style.

Very likely the only museum in the world that celebrates the glory of the humble banjo.

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

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

A peg-legged tightrope walker did not reveal his name as he was dying, and so he was buried as “Rope Walker."

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.