There are so many places that I want to go see. I've started a list here.
Withlacoochee State Trail - 46 mile paved trail in Central Florida
Group Bike Ride: http://www.railstotrailsonline.com
Canoe/Kayak Information: http://www.dep.state.fl.us/gwt/guide/regions/crossflorida/trails/withlacoochee.htm
Cycling in Michigan's Upper Peninsula
Mountain biking in Copper harbor, Road Biking Marquett and Kennesaw Penisnsula: May and June have too many blackfies. August and September are best for travel. Fall foilage peaks in Late September/Early October.