[3] Name on the Register[4] Image Date listed[5] Location City or town Description 1 Antioch College Fine Arts Building Upload image June 6, 2022 (#100007761 ) 405 Corry St. 39°47′55″N 83°53′09″W / 39.7986°N 83.8859°W / 39.7986; -83.8859 (Antioch College Fine Arts Building ) Yellow Springs 2 Antioch Hall, North and South Halls Antioch Hall, North and South Halls June 30, 1975 (#75001411 ) Along Hyde Rd. on the Antioch College campus 39°47′59″N 83°53′17″W / 39.799722°N 83.888056°W / 39.799722; -83.888056 (Antioch Hall, North and South Halls ) Yellow Springs 3 Ballard Road Covered Bridge Ballard Road Covered Bridge May 29, 1975 (#75001408 ) Northwest of Jamestown on Ballard Rd. over Caesars Creek 39°40′41″N 83°48′55″W / 39.678056°N 83.815278°W / 39.678056; -83.815278 (Ballard Road Covered Bridge ) New Jasper Township 1880s covered bridge , no longer open to through traffic 4 Bank of Xenia Bank of Xenia May 7, 1973 (#73001450 ) Northeastern corner of Detroit and E. 2nd Sts. 39°41′02″N 83°55′44″W / 39.683889°N 83.928889°W / 39.683889; -83.928889 (Bank of Xenia ) Xenia Greek Revival bank near downtown Xenia5 George Barrett Concrete House George Barrett Concrete House April 10, 1986 (#86000699 ) 4 E. Main St. 39°36′32″N 84°00′30″W / 39.608889°N 84.008333°W / 39.608889; -84.008333 (George Barrett Concrete House ) Spring Valley 6 Bath Township Consolidated School Bath Township Consolidated School September 22, 1983 (#83001974 ) 221 N. Central Ave. 39°49′32″N 84°01′17″W / 39.825556°N 84.021389°W / 39.825556; -84.021389 (Bath Township Consolidated School ) Fairborn 7 Berryhill-Morris House Berryhill-Morris House November 12, 1975 (#75001407 ) South of Bellbrook at 3113 Ferry Rd. 39°36′15″N 84°05′14″W / 39.604167°N 84.087222°W / 39.604167; -84.087222 (Berryhill-Morris House ) Sugarcreek Township Home of one of the township's first resident families 8 Brick Quarters Historic District Upload image November 5, 2018 (#100003071 ) Chidlaw Rd. and Metzger Dr. at Wright-Patterson Air Force Base 39°48′32″N 84°02′20″W / 39.8090°N 84.0389°W / 39.8090; -84.0389 (Brick Quarters Historic District ) Bath Township 9 C.N. & I. Department Power House C.N. & I. Department Power House October 30, 2003 (#03001099 ) Central State University campus in Wilberforce 39°43′01″N 83°52′29″W / 39.716944°N 83.874722°W / 39.716944; -83.874722 (C.N. & I. Department Power House ) Xenia Township 10 Carnegie Library (Old Wilberforce University Campus) Carnegie Library (Old Wilberforce University Campus) June 16, 2004 (#04000610 ) 1400 Brush Row Rd. in Wilberforce 39°43′03″N 83°52′55″W / 39.7175°N 83.881944°W / 39.7175; -83.881944 (Carnegie Library (Old Wilberforce University Campus) ) Xenia Township 11 Cedarville Opera House Cedarville Opera House February 9, 1984 (#84003697 ) 78 N. Main St. 39°44′30″N 83°48′25″W / 39.741667°N 83.806944°W / 39.741667; -83.806944 (Cedarville Opera House ) Cedarville Community center and performance hall 12 Alexander Conner House Alexander Conner House July 28, 1987 (#87000460 ) 99 E. 2nd St. 39°41′02″N 83°55′42″W / 39.683889°N 83.928333°W / 39.683889; -83.928333 (Alexander Conner House ) Xenia Six early buildings joined into a rowhouse 13 Dean Family Farm Dean Family Farm May 29, 1975 (#75001409 ) 5 mi (8.0 km) northwest of Jamestown off U.S. Route 35 on Ballard Rd.; also 199 S. Ballard Rd. 39°40′34″N 83°49′07″W / 39.676111°N 83.818611°W / 39.676111; -83.818611 (Dean Family Farm ) New Jasper Township 1820s farmstead. 199 Ballard represents a boundary increase of November 16, 1994 , the Dean Family Farm Historic District. 14 Downtown Xenia Historic District Downtown Xenia Historic District September 10, 2014 (#14000590 ) Bounded by Church, Galloway, 3rd, and Collier Sts. 39°41′08″N 83°55′45″W / 39.685556°N 83.929167°W / 39.685556; -83.929167 (Downtown Xenia Historic District ) Xenia 15 East Second Street District East Second Street District March 20, 1973 (#73001451 ) 235 and 209-213-215 E. 2nd St.; also 184-271 E. 2nd St. 39°41′01″N 83°55′31″W / 39.683611°N 83.925278°W / 39.683611; -83.925278 (East Second Street District ) Xenia Prestigious Gilded Age neighborhood. Second set of boundaries represents a boundary increase of September 10, 1979 16 Emery Hall Emery Hall October 4, 2005 (#05001144 ) Central State University campus in Wilberforce 39°43′03″N 83°52′58″W / 39.7175°N 83.882778°W / 39.7175; -83.882778 (Emery Hall ) Xenia Township 17 Fairborn Theatre Fairborn Theatre July 27, 2005 (#05000755 ) 34 S. Broad St. 39°49′14″N 84°01′39″W / 39.820556°N 84.027500°W / 39.820556; -84.027500 (Fairborn Theatre ) Fairborn Streamline Moderne theater, built with themes relevant to the nearby military base 18 Grinnell Mill Historic District Grinnell Mill Historic District November 29, 1982 (#82001464 ) 3536 Bryan Park Rd., southeast of Yellow Springs 39°46′59″N 83°52′28″W / 39.783056°N 83.874444°W / 39.783056; -83.874444 (Grinnell Mill Historic District ) Miami Township 19 Harper Mausoleum and George W. Harper Memorial Entrance Harper Mausoleum and George W. Harper Memorial Entrance February 11, 1988 (#88000115 ) North Cemetery along State Route 72 39°45′15″N 83°48′44″W / 39.754167°N 83.812222°W / 39.754167; -83.812222 (Harper Mausoleum and George W. Harper Memorial Entrance ) Cedarville Egyptian Revival memorial to a wealthy Cedarville resident20 Hollencamp House Hollencamp House July 18, 1980 (#80003029 ) 339 E. 2nd St. 39°41′03″N 83°55′24″W / 39.684167°N 83.923333°W / 39.684167; -83.923333 (Hollencamp House ) Xenia Home of a leading immigrant brewer 21 Huffman Field Huffman Field May 6, 1971 (#71000640 ) Wright-Patterson Air Force Base , 1 mi (1.6 km) southwest of Fairborn 39°48′12″N 84°03′57″W / 39.803333°N 84.065833°W / 39.803333; -84.065833 (Huffman Field ) Bath Township Field where the Wright brothers learned to fly 22 Jamestown Opera House Jamestown Opera House October 17, 2007 (#07001093 ) 19 N. Limestone St. 39°39′32″N 83°44′04″W / 39.658889°N 83.734444°W / 39.658889; -83.734444 (Jamestown Opera House ) Jamestown Community center and government building 23 Main Street Historic District Main Street Historic District May 19, 1989 (#89000431 ) Roughly E. and W. Main St. from Elm to Water Sts. 39°36′33″N 84°00′28″W / 39.609167°N 84.007778°W / 39.609167; -84.007778 (Main Street Historic District ) Spring Valley 24 McDonald Farm McDonald Farm June 14, 1996 (#96000673 ) 1446 Stone Rd., southeast of Xenia 39°38′28″N 83°53′00″W / 39.641111°N 83.883333°W / 39.641111; -83.883333 (McDonald Farm ) Xenia Township Source of stone for the Washington Monument 25 Mercer Log House Mercer Log House October 16, 1981 (#81000433 ) 41 N. 1st St. 39°49′25″N 84°01′44″W / 39.823611°N 84.028889°W / 39.823611; -84.028889 (Mercer Log House ) Fairborn One of Ohio's best-preserved log cabins from the territorial period 26 Millen-Schmidt House Millen-Schmidt House November 7, 1976 (#76001432 ) 184 N. King St. 39°41′14″N 83°55′54″W / 39.687222°N 83.931667°W / 39.687222; -83.931667 (Millen-Schmidt House ) Xenia Italianate mansion, built to be "a house that people will notice"27 Old Chillicothe Site Old Chillicothe Site April 21, 1975 (#75001410 ) Along U.S. Route 68 north of Xenia[6] [7] 39°43′49″N 83°56′16″W / 39.730278°N 83.937778°W / 39.730278; -83.937778 (Old Chillicothe Site ) Xenia Township 28 The Old Hotel The Old Hotel August 25, 1988 (#88001296 ) 100-101½ W. Main St. 39°36′30″N 84°00′34″W / 39.608444°N 84.009444°W / 39.608444; -84.009444 (The Old Hotel ) Spring Valley 29 Orators Mound Orators Mound July 15, 1974 (#74001507 ) Near Yellow Spring, east of the village of Yellow Springs[8] 39°48′16″N 83°52′55″W / 39.804444°N 83.881944°W / 39.804444; -83.881944 (Orators Mound ) Miami Township Indian mound in Glen Helen ; named for its common use as a speaker's platform 30 Samuel N. Patterson House Samuel N. Patterson House June 3, 1976 (#76001433 ) 364 N. King St. 39°41′23″N 83°55′56″W / 39.689722°N 83.932222°W / 39.689722; -83.932222 (Samuel N. Patterson House ) Xenia 1870s house; one of its neighborhood's few survivors of the 1974 tornado 31 Pollock Works Pollock Works February 23, 1972 (#72001014 ) Along Massie's Creek, west of Cedarville[6] 39°44′23″N 83°49′24″W / 39.739722°N 83.823333°W / 39.739722; -83.823333 (Pollock Works ) Cedarville Township Hopewellian ceremonial site on a hilltop32 Whitelaw Reid House Whitelaw Reid House May 7, 1973 (#73001448 ) Northwest of Cedarville at 2587 Conley Rd. 39°45′06″N 83°50′10″W / 39.7517°N 83.8361°W / 39.7517; -83.8361 (Whitelaw Reid House ) Cedarville Township Home of Whitelaw Reid , journalist and politician 33 South School South School October 4, 1989 (#89001459 ) 909 S. High St. 39°47′55″N 83°53′45″W / 39.7986°N 83.8958°W / 39.7986; -83.8958 (South School ) Yellow Springs 1850s Greek Revival school; formerly Yellow Springs High School 34 Tawawa Chimney Corner Upload image July 27, 2020 (#100005361 ) 1198 Brush Row Rd. 39°43′08″N 83°53′11″W / 39.7189°N 83.8864°W / 39.7189; -83.8864 (Tawawa Chimney Corner ) Wilberforce 35 Waterstreet Historic District Waterstreet Historic District August 11, 1980 (#80003030 ) Roughly bounded by Shawnee Creek and S. Detroit, S. Church and W. 2nd Sts. 39°40′58″N 83°55′54″W / 39.6828°N 83.9317°W / 39.6828; -83.9317 (Waterstreet Historic District ) Xenia 36 Whitehall Farm Whitehall Farm July 31, 1980 (#80003031 ) North of Yellow Springs off U.S. Route 68 39°48′42″N 83°52′55″W / 39.8116°N 83.8819°W / 39.8116; -83.8819 (Whitehall Farm ) Miami Township Greek Revival country estate 37 Benjamin Whiteman House Benjamin Whiteman House April 3, 1973 (#73001449 ) East of Clifton 39°47′45″N 83°49′01″W / 39.7958°N 83.8169°W / 39.7958; -83.8169 (Benjamin Whiteman House ) Cedarville Township 38 Wickersham House Wickersham House December 7, 2018 (#100003208 ) 23 E. Washington St. 39°39′29″N 83°44′00″W / 39.6581°N 83.7334°W / 39.6581; -83.7334 (Wickersham House ) Jamestown 39 Williamson Mound State Memorial Williamson Mound State Memorial December 13, 1971 (#71000639 ) Off U.S. Route 42 , west of Cedarville 39°44′42″N 83°49′37″W / 39.745°N 83.8269°W / 39.745; -83.8269 (Williamson Mound State Memorial ) Cedarville Township Large Adena burial mound 40 Wright Brothers Hill-Memorial Wright Brothers Hill-Memorial July 19, 2016 (#16000460 ) Memorial Dr. 39°47′38″N 84°05′21″W / 39.7940°N 84.0891°W / 39.7940; -84.0891 (Wright Brothers Hill-Memorial ) Bath Township 41 Wright Brothers Memorial Mound Group Wright Brothers Memorial Mound Group February 12, 1974 (#74001505 ) A short distance west of the Wright Brothers Memorial , west of Fairborn[9] 39°47′41″N 84°05′27″W / 39.7946°N 84.0907°W / 39.7946; -84.0907 (Wright Brothers Memorial Mound Group ) Bath Township 42 Wright-Patterson Air Force Base Mound Wright-Patterson Air Force Base Mound February 23, 1972 (#72001015 ) Located along P St., about 1 kilometre (3,300 ft) south of the Wright Brothers Memorial, west of Fairborn[9] 39°47′12″N 84°05′04″W / 39.7867°N 84.0844°W / 39.7867; -84.0844 (Wright-Patterson Air Force Base Mound ) Bath Township Adena mound on a military base 43 Xenia Carnegie Library Xenia Carnegie Library February 24, 2015 (#15000041 ) 194 E. Church St. 39°41′16″N 83°55′35″W / 39.6878°N 83.9264°W / 39.6878; -83.9264 (Xenia Carnegie Library ) Xenia 44 Yellow Springs Historic District Yellow Springs Historic District April 1, 1982 (#82003573 ) Roughly bounded by railroad tracks, Yellow Springs-Fairfield Rd., and High and Herman Sts. 39°48′10″N 83°53′22″W / 39.8028°N 83.8894°W / 39.8028; -83.8894 (Yellow Springs Historic District ) Yellow Springs Large historic district, primarily built during the mid-19th century 45 Col. Charles Young House Col. Charles Young House March 30, 1974 (#74001506 ) Columbus Pike between Clifton and Stevenson Rds., east of Xenia 39°42′26″N 83°53′25″W / 39.7072°N 83.8903°W / 39.7072; -83.8903 (Col. Charles Young House ) Xenia Township House museum open to visitors