Great Coasters International
www.greatcoasters.com
GCII's Official Website

Six Flags St. Louis
www.sixflags.com/stLouis/index.aspx
Six Flags St. Louis website; follow the construction of Evel Knievel

Superman Ride of Steel
www.RideofSteel.com
Evan's Superman fan site

Toverland
www.toverland.nl
Toverland's official website

Valleyfair!
www.valleyfair.com
Valleyfair's official website

Worlds of Fun
prowler.worldsoffun.com/
Official Prowler site