A Geocache in Clark Park
http://www.geocaching.com/seek/cache_details.aspx?guid=0b826a87-6ef8-44eb-a074-0df2a4bf12f3
There is also one in Black Oak Park
http://www.geocaching.com/seek/cache_details.aspx?guid=57af62e9-7c2f-4c8d-8241-08ebbe1a4acf
