Onawa boasts the widest main street in the US.
Gateway to the Loess Hills (link)
Onawa, home of the widest main street in the United States (link)
Onawa’s Historic Iowa Theater (link)
Lewis and Clark Interperative Center, in Sioux City (link)
Monona County Historical Museum, Onawa
Veteran’s Memorial Museum, Onawa
Kiwanis Railroad Depot Complex
Replica of a Lewis and Clark Keelboat at nearby Blue Lake
Sergeant Floyd Memorial, Sioux City
Casino Omaha located in Onawa
Onawa Country Club Golf Course, open to the public
Replica of keelboat used by Lewis and Clark.