A short boardwalk through a swamp leads to the spot from which the Louisiana Purchase was surveyed.

The seventh largest spring in the world.

Life-size figures portray depot attendants, train crew, and passengers frozen in time at the oldest railroad station in Arkansas.

Often referred to as the largest spring in America.

This small Arkansas town once had a close encounter with the Beatles, and are determined never to let anyone forget that. Ever.

Despite what scientists think, the town still says this is an extraterrestrial rock.

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

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

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

This monument marks the point where Oklahoma, Kansas, and Missouri intersect.