Franconia Sculpture Park: Franconia, MN http://www.franconia.org/

Sculpture Trails: Solsberry, IN http://www.sculpturetrails.com/

Laumeier Sculpture Park: St. Louis, MO http://www.laumeier.com/

Storm King: Mountainville, NY http://www.stormking.org/

Olympic Sculpture Park: Seattle, WA http://www.seattleartmuseum.org/visit/osp/

City Museum: St. Louis, MO http://www.citymuseum.org/home.asp
ok, ok, I know this is not a sculpture park exactly, but still worth a visit!!

Coolest places in Frankfort:

Completely Kentucky: http://www.completelykentucky.com/

Wilson Nurseries: http://wilsonnurseriesky.com/

Kentucky Coffeetree Cafe: http://www.kentuckycoffeetree.com/

JSP Satellite Outdoor Gallery at KECU: http://www.kecu.org/portal/page/portal/KECU/Home