People of the Plum Bayou culture built these enormous mounds over 1,000 years ago.

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

Yup, that's where the name came from.

This 1930s-era Route 66 Tulsa landmark was moved, restored, and filled with neon.

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

The only fully-realized skyscraper built by the famed American architect, Frank Lloyd Wright.

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

The final resting place of an outlaw, whose legend grew after death.

One of New York's most iconic authors is strangely honored by this Oklahoma park.

A former chicken restaurant that doubled as a speakeasy is now a quirky home full of wonderfully strange traditions.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

The storied steakhouse is the last in a long line of Lebanese-owned supper clubs in Tulsa.

The start of the group that straightened the teeth of a nation.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

This Garden District mansion was built to be bigger and grander than its original owner's former partner turned rival.

A tribute to the little-known group of women who were the first ever to fly aircraft in the U.S. military.

The petroleum industry brings you the joys of hydrocarbons and largest collection of antique oil rigs in the world.

A collection of massive stacked rocks in Texas includes a snarky note on the benefits of modern technology.

Thousands of tiny squares in different colors make up this piece of street art.

Home to several unusual artifacts, including a huge painting of George Washington.

A commemoration of over 150 of St. Louis's favorite sons and daughters.

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

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.