MI Adventure Activities By gritmit1 Oct 28, 1956 First Created (Day and month unknown) Originally called Deer Park Oct 28, 1979 Corkscrew Created Oct 28, 1988 Wolverine Wildcat created Oct 29, 1994 Zach's Zoomer Created Oct 29, 1998 Shivering Timbers Created Oct 29, 1999 Big Dipper Created Oct 29, 1999 Mad Mouse Created Oct 29, 2008 ThunderHawk Created