[3] Name on the Register[4] Image Date listed[5] Location City or town Description 1 Albertus Building Albertus Building April 26, 1979 (#79000891 ) 222 Park River Dr. 42°47′03″N 91°05′47″W / 42.784167°N 91.096389°W / 42.784167; -91.096389 (Albertus Building ) Guttenberg 2 American House American House August 30, 2001 (#01000913 ) 116 Main St. 43°01′33″N 91°10′26″W / 43.025833°N 91.173889°W / 43.025833; -91.173889 (American House ) McGregor 3 American School of Wild Life Protection Historic District Upload image December 23, 1991 (#91001840 ) McGregor Heights Rd., north of McGregor 43°01′43″N 91°10′33″W / 43.028611°N 91.175833°W / 43.028611; -91.175833 (American School of Wild Life Protection Historic District ) McGregor 4 Christian Bloedel Wagon Works Christian Bloedel Wagon Works September 23, 2009 (#09000765 ) 524-526 Main St. 43°01′14″N 91°10′49″W / 43.020483°N 91.180161°W / 43.020483; -91.180161 (Christian Bloedel Wagon Works ) McGregor 5 Carter House Carter House November 7, 1976 (#76000744 ) 101 High St., SE. 42°51′19″N 91°24′09″W / 42.855278°N 91.4025°W / 42.855278; -91.4025 (Carter House ) Elkader 6 Clayton County Courthouse Clayton County Courthouse October 8, 1976 (#76000745 ) 111 High St. 42°51′19″N 91°24′12″W / 42.855278°N 91.403333°W / 42.855278; -91.403333 (Clayton County Courthouse ) Elkader 7 Clayton School Clayton School July 30, 1974 (#74000778 ) 1st St. 42°54′09″N 91°08′45″W / 42.9025°N 91.145833°W / 42.9025; -91.145833 (Clayton School ) Clayton 8 Timothy Davis House Timothy Davis House June 22, 1976 (#76000746 ) 405 1st St., NW. 42°51′23″N 91°24′30″W / 42.856389°N 91.408333°W / 42.856389; -91.408333 (Timothy Davis House ) Elkader 9 Dry Run Bridge Upload image June 25, 1998 (#98000803 ) Local street over Dry Run 42°45′10″N 91°22′08″W / 42.752778°N 91.368889°W / 42.752778; -91.368889 (Dry Run Bridge ) Littleport 10 Eckert House Upload image September 24, 1984 (#84001216 ) 413 S. 1st St. 42°46′55″N 91°05′45″W / 42.781944°N 91.095833°W / 42.781944; -91.095833 (Eckert House ) Guttenberg 11 Effigy Mounds National Monument Effigy Mounds National Monument October 15, 1966 (#66000109 ) 3 miles north of Marquette on Iowa Highway 76 43°03′52″N 91°10′50″W / 43.06431°N 91.18052°W / 43.06431; -91.18052 (Effigy Mounds National Monument ) Marquette Extends into Allamakee County 12 Elkader Downtown Historic District Elkader Downtown Historic District March 13, 2012 (#12000095 ) Portions of the 100 & 200 blocks of Main St. & side streets 42°51′16″N 91°24′16″W / 42.854543°N 91.404451°W / 42.854543; -91.404451 (Elkader Downtown Historic District ) Elkader Elkader Downtown Multiple Property Submission 13 Elkader Keystone Bridge Elkader Keystone Bridge November 7, 1976 (#76000747 ) Bridge St. 42°51′17″N 91°24′13″W / 42.854722°N 91.403611°W / 42.854722; -91.403611 (Elkader Keystone Bridge ) Elkader 14 Elkader Opera House Elkader Opera House October 8, 1976 (#76000748 ) 207 N. Main 42°51′19″N 91°24′20″W / 42.855278°N 91.405556°W / 42.855278; -91.405556 (Elkader Opera House ) Elkader 15 Farmers' State Bank Farmers' State Bank September 24, 2018 (#100002983 ) 502 Washington St. 42°48′11″N 91°32′28″W / 42.8030°N 91.5410°W / 42.8030; -91.5410 (Farmers' State Bank ) Volga 16 First Congregational Church First Congregational Church March 25, 1977 (#77000504 ) Washington St. 42°52′06″N 91°14′16″W / 42.868333°N 91.237778°W / 42.868333; -91.237778 (First Congregational Church ) Garnavillo 17 Franklin Hotel Franklin Hotel June 25, 1999 (#99000740 ) 102 Elkader St. 42°41′01″N 91°32′02″W / 42.683611°N 91.533889°W / 42.683611; -91.533889 (Franklin Hotel ) Strawberry Point 18 Front Street (River Park Drive) Historic District Front Street (River Park Drive) Historic District September 24, 1984 (#84001222 ) River Park Dr. between Lessing and Pearl Sts.; also S. 1st, Prince, Goethe, Herder, and Schiller Sts. 42°46′56″N 91°05′42″W / 42.782222°N 91.095°W / 42.782222; -91.095 (Front Street (River Park Drive) Historic District ) Guttenberg Second set of addresses represents a boundary increase 19 Fuerste House Fuerste House September 24, 1984 (#84001223 ) 503 S. 1st St. 42°46′54″N 91°05′45″W / 42.781667°N 91.095833°W / 42.781667; -91.095833 (Fuerste House ) Guttenberg 20 Garnavillo Township Bridge Upload image June 25, 1998 (#98000807 ) County road over an unnamed stream 42°51′47″N 91°16′57″W / 42.863056°N 91.2825°W / 42.863056; -91.2825 (Garnavillo Township Bridge ) Garnavillo Township 21 Garnavillo Township Culvert Upload image June 25, 1998 (#98000805 ) County road over an unnamed stream 42°52′04″N 91°16′10″W / 42.867778°N 91.269444°W / 42.867778; -91.269444 (Garnavillo Township Culvert ) Garnavillo Township One of seven stone limestone arch bridges built in 1900. 22 Guttenberg Corn Canning Co. Guttenberg Corn Canning Co. September 24, 1984 (#84001226 ) 413 N. 3rd St. 42°47′18″N 91°06′05″W / 42.788333°N 91.101389°W / 42.788333; -91.101389 (Guttenberg Corn Canning Co. ) Guttenberg 23 Guttenberg National Fish Hatchery and Aquarium Historic District Guttenberg National Fish Hatchery and Aquarium Historic District December 23, 1991 (#91001833 ) 315 S. River Park Dr. 42°47′01″N 91°05′41″W / 42.783611°N 91.094722°W / 42.783611; -91.094722 (Guttenberg National Fish Hatchery and Aquarium Historic District ) Guttenberg 24 Guttenberg State Bank Guttenberg State Bank September 24, 1984 (#84001228 ) 15 Goethe St. 42°46′59″N 91°05′47″W / 42.783056°N 91.096389°W / 42.783056; -91.096389 (Guttenberg State Bank ) Guttenberg 25 I.O.O.F. Hall I.O.O.F. Hall June 18, 1979 (#79000890 ) Centre St. 42°52′05″N 91°14′10″W / 42.868056°N 91.236111°W / 42.868056; -91.236111 (I.O.O.F. Hall ) Garnavillo 26 Kolker House Kolker House September 24, 1984 (#84001230 ) 110 Goethe St. 42°46′58″N 91°06′35″W / 42.782778°N 91.109722°W / 42.782778; -91.109722 (Kolker House ) Guttenberg 27 Lakeside Ballroom Lakeside Ballroom February 4, 2002 (#01001539 ) 1202 N. 4th St. 42°46′22″N 91°06′00″W / 42.772834°N 91.099945°W / 42.772834; -91.099945 (Lakeside Ballroom ) Guttenberg 28 Mallory Township Bridge Upload image June 25, 1998 (#98000809 ) County road over an unnamed stream 42°43′08″N 91°10′42″W / 42.718889°N 91.178333°W / 42.718889; -91.178333 (Mallory Township Bridge ) Mallory Township Bridge distinguished as the oldest remaining example of the Pratt half-hip pony truss in Iowa, built in 1890. 29 Matt-Bahls House Matt-Bahls House September 24, 1984 (#84001232 ) 615 S. 3rd St. 42°46′24″N 91°05′53″W / 42.773333°N 91.098056°W / 42.773333; -91.098056 (Matt-Bahls House ) Guttenberg 30 McClaine House McClaine House September 24, 1984 (#84001234 ) 300 S. 1st St. 42°47′03″N 91°05′50″W / 42.784167°N 91.097222°W / 42.784167; -91.097222 (McClaine House ) Guttenberg 31 McGregor Commercial Historic District McGregor Commercial Historic District December 10, 2002 (#02001033 ) 100-300 blocks of Main St. and the 100 and 200 blocks of A St. 43°01′26″N 91°10′33″W / 43.023889°N 91.175833°W / 43.023889; -91.175833 (McGregor Commercial Historic District ) McGregor 32 Mederville Bridge Mederville Bridge June 25, 1998 (#98000808 ) County road over the Volga River at Mederville 42°45′50″N 91°25′17″W / 42.763889°N 91.421389°W / 42.763889; -91.421389 (Mederville Bridge ) Cox Creek Township 33 Monona Township Culvert Upload image June 25, 1998 (#98000806 ) County road over an unnamed stream 43°02′39″N 91°28′35″W / 43.044167°N 91.476389°W / 43.044167; -91.476389 (Monona Township Culvert ) Monona Township Replaced in 1998 34 Moser Stone House Upload image September 24, 1984 (#84001236 ) 211 S. 1st St. 42°47′04″N 91°05′49″W / 42.784444°N 91.096944°W / 42.784444; -91.096944 (Moser Stone House ) Guttenberg 35 Motor Mill Historic District Motor Mill Historic District June 9, 2014 (#14000285 ) 6 miles (9.7 km) below Elkader[6] 42°48′27″N 91°21′06″W / 42.807500°N 91.351667°W / 42.807500; -91.351667 (Motor Mill Historic District ) Elkader 36 Motor Townsite Motor Townsite August 2, 1977 (#77000502 ) East of Elkader 42°48′28″N 91°21′05″W / 42.807778°N 91.351389°W / 42.807778; -91.351389 (Motor Townsite ) Elkader 37 Nieland House Nieland House September 24, 1984 (#84001238 ) 715 S. 1st St. 42°46′43″N 91°05′45″W / 42.778611°N 91.095833°W / 42.778611; -91.095833 (Nieland House ) Guttenberg 38 Parker House Parker House September 24, 1984 (#84001240 ) 1015 S. 2nd St. 42°46′34″N 91°05′51″W / 42.776111°N 91.0975°W / 42.776111; -91.0975 (Parker House ) Guttenberg 39 Rialto Price House Rialto Price House November 21, 1976 (#76000749 ) 206 Cedar St., NW. 42°51′16″N 91°24′25″W / 42.854444°N 91.406944°W / 42.854444; -91.406944 (Rialto Price House ) Elkader 40 Read Township Culvert Upload image March 12, 1999 (#99000308 ) County road over an unnamed stream 42°50′01″N 91°19′08″W / 42.833611°N 91.318889°W / 42.833611; -91.318889 (Read Township Culvert ) Read Township 41 Joseph "Diamond Jo" Reynolds Office Building and House Joseph "Diamond Jo" Reynolds Office Building and House February 19, 1982 (#82002614 ) A and Main Sts. 43°01′32″N 91°10′34″W / 43.025556°N 91.176111°W / 43.025556; -91.176111 (Joseph "Diamond Jo" Reynolds Office Building and House ) McGregor 42 Round Barn, Millville Township Round Barn, Millville Township June 30, 1986 (#86001423 ) U.S. Route 52 42°42′56″N 91°05′04″W / 42.715556°N 91.084444°W / 42.715556; -91.084444 (Round Barn, Millville Township ) Millville Township 43 St. Joseph Church and Parish Hall St. Joseph Church and Parish Hall November 21, 1976 (#76000750 ) 330 1st St., NW. 42°51′05″N 91°24′13″W / 42.851389°N 91.403611°W / 42.851389; -91.403611 (St. Joseph Church and Parish Hall ) Elkader 44 St. Mary's Catholic Church Historic District St. Mary's Catholic Church Historic District August 12, 2004 (#04000817 ) 502, 518, and 520 S. 2nd St. and 214 Herder St. 42°46′52″N 91°05′38″W / 42.781111°N 91.093889°W / 42.781111; -91.093889 (St. Mary's Catholic Church Historic District ) Guttenberg 45 St. Olaf Auditorium St. Olaf Auditorium December 9, 1994 (#94001446 ) 118 S. Main St. 42°55′40″N 91°23′10″W / 42.927778°N 91.386111°W / 42.927778; -91.386111 (St. Olaf Auditorium ) St. Olaf 46 St. Peters United Evangelical Lutheran Church St. Peters United Evangelical Lutheran Church December 12, 1976 (#76000743 ) U.S. Route 52 42°49′21″N 91°11′15″W / 42.8225°N 91.1875°W / 42.8225; -91.1875 (St. Peters United Evangelical Lutheran Church ) Ceres 47 Schmidt House Schmidt House March 25, 1977 (#77000503 ) 101 Oak St., NW. 42°51′11″N 91°24′26″W / 42.853056°N 91.407222°W / 42.853056; -91.407222 (Schmidt House ) Elkader 48 Peter Stauer House Peter Stauer House September 13, 2003 (#03000914 ) 629 Main St. 43°01′07″N 91°10′55″W / 43.018611°N 91.181944°W / 43.018611; -91.181944 (Peter Stauer House ) McGregor 49 J.C. Stemmer House J.C. Stemmer House October 21, 1976 (#76000751 ) 113 Oak, NW. 42°51′13″N 91°24′29″W / 42.853611°N 91.408056°W / 42.853611; -91.408056 (J.C. Stemmer House ) Elkader 50 Stone Barn Upload image September 24, 1984 (#84001244 ) 12 Goethe St. 42°46′58″N 91°06′30″W / 42.782778°N 91.108333°W / 42.782778; -91.108333 (Stone Barn ) Guttenberg 51 Turkey River State Preserve Archeological District Upload image May 30, 1990 (#90000774 ) Estes Point Road 42°43′11″N 91°02′54″W / 42.7197°N 91.0483°W / 42.7197; -91.0483 (Turkey River State Preserve Archeological District ) Millville 52 Valley Mills Valley Mills December 12, 1976 (#76000752 ) East of Garnavillo 42°51′50″N 91°11′34″W / 42.863889°N 91.192778°W / 42.863889; -91.192778 (Valley Mills ) Garnavillo 53 Weber House Weber House September 24, 1984 (#84001247 ) 822 S. River Park Dr. 42°46′37″N 91°05′43″W / 42.776944°N 91.095278°W / 42.776944; -91.095278 (Weber House ) Guttenberg 54 Wehmer House Wehmer House September 24, 1984 (#84001249 ) 910 S. River Park Dr. 42°46′34″N 91°05′43″W / 42.776111°N 91.095278°W / 42.776111; -91.095278 (Wehmer House ) Guttenberg