The E.B. Lyons Nature Center is located in Dubuque, IA at the Mines of Spain State Recreation Area. The center provides programs year round. Its displays, trails and the natural and historical features of the Mines of Spain provide a wide array of visitor opportunities.

At Bellevue State Park's Nelson Unit, just south of Bellevue, IA, the South Bluff Nature Center is open seasonally and for groups by request. The center has outstanding displays. The nearby one-acre Garden Sanctuary for Butterflies is designed specifically to provide habitat for a variety of butterflies and is unique to the Midwest. More than 150 individual plots contain plants which provide food and shelter for butterflies as well as beautiful viewing for visitors.

The Dorothy Pecaut Nature Center tells the story of the geology, plants and animals of the loess hills region of western Iowa. Located in Stone State Park near Sioux City, IA, the center is open year round and operated by the Woodbury County Conservation Board.

The Civilian Conservation Corps (CCC) museum at Backbone State Park in Delaware County near Dundee, IA, tells the story of the CCC in Iowa. The museum is open seasonally and for groups by request.

At Cedar Rock, the Walter House is a Usonian Home by Frank Lloyd Wright that lies on a limestone bluff overlooking the Wapsipinicon River near Quasqueton, Iowa. A tour of the house and visitor center will reveal the famed architect's style for living simply and in harmony with nature.