Joyland Amusement Park opened in 1949, and was in continuous operation until 2003. In 2005 the owners put the park up for sale on eBay with an opening bid of $1.6mil. No buyers were found and the park has since become a victim of the elements and vandals.
Link to story about Joyland eBay auction:
http://www.boingboing.net/2005/06/12/old-wichita-amusemen.html