- Iowa Natural Heritage Foundation protects Iowa's natural land, water, and wildlife for future generations. This nonprofit conservation group protects prairies, wetlands, woodlands, trails, watersheds and more.www.inhf.org
- Four Mounds Foundation consists of an Inn, Conference Center, Ropes Course, and Hiking Trails located along the beautiful bluffs of the Mississippi River in Dubuque, Iowa.www.fourmounds.com