If your coming back on I-80, the
Cabela's in Sidney, NE has a campground,
Fort Kearny has a campground, and there is the
Great Platte River Road Archway Museum.
The
Iowa State Fair is August 11-21.
Winterset, Iowa is where the movie "Bridges of Madison County" was filmed. It is also John Wayne's birthplace which has a
museum. The city of Winterset has a nice
campground at the city park.
The
Amana Colonies are not far North of Iowa City. The
Birthplace of Captain James T.Kirk and a Star Trek Museum are not far South of Iowa City in Riverside, IA.