1945 ~19km Discovery of Nazi Gold in a Salt Mine Wauwatosa United States › Wisconsin › Milwaukee › City of Wauwatosa › Wauwatosa
1936 ~25km Housing under the Wisconsin Avenue viaduct Milwaukee United States › Wisconsin › Milwaukee
1875 ~27km Milwaukee Turners Milwaukee United States › Wisconsin › Milwaukee › City of Milwaukee › Milwaukee
1903 ~27km The original Harley-Davidson motorcycle factory. Milwaukee United States › Wisconsin › Milwaukee › City of Milwaukee › Milwaukee
