Here are links to some of my favorite websites:
Great Science Places to Go
Cosi Science Center
http://www.cositoledo.org/
Detroit Science Center
http://www.detroitsciencecenter.org/home.htm
Ohio Caverns
http://www.ohiocaverns.com/
Cranbrook Institute of Science
http://science.cranbrook.edu/educational/scouts/default.asp
Science Links