Yellow River State Forest
- Comprised of six units with a total of 8503 acres. Contains information about recreational activities, history, geology, climate, fauna and flora. Includes topographic maps.
- http://www.iowadnr.com/forestry/yellowriver.html

VisitIowa.org
- Features details of attractions, recreation, lodging, dining, shopping, tours and events of six counties. Includes links to counties and cities.
- http://www.visitiowa.org/

Silos and Smokestacks National Heritage Area
- Non-profit organization created to support development of regional heritage tourism and share the story of American agriculture. Includes details of sites and points of interest, events, brochure request, maps, links and contact information.
- http://www.silosandsmokestacks.org/