It protects the vast area of old-growth forest found next to the Des Moines River.
It is the state of Iowa's oldest park.
The park offers a variety of attractions, including a 99-acre reservoir where boating, fishing, and swimming are permitted.
You can visit this location in Iowa to look about and admire the magnificent works of Frank Lloyd Wright.
It has a number of distinctive qualities that have made it a well-liked sight among photographers.
Together with a variety of Scots pine and sugar maple trees, the park also features prairies, wetlands, and oak savannah.
Native Indians from the Woodland era lived in the park.