(of old property)
51Old Catonsville High School — U.S. National Register of Historic Places …
52Old Forge Farm — U.S. National Register of Historic Places …
53Old Village Historic District (Monroe, Michigan) — Old Village Historic District U.S. National Register of Historic Places U.S. Historic district …
54Old East — U.S. National Register of Historic Places U.S. National Historic Landmark …
55Old Calhoun County Courthouse — U.S. National Register of Historic Places …
56Old Wakulla County Courthouse — U.S. National Register of Historic Places …
57Old People's Home (Tampa, Florida) — Old People s Home U.S. National Register of Historic Places …
58Old Hillsborough County High School — U.S. National Register of Historic Places …
59Old Main (Bethany College) — Old Main, Bethany College U.S. National Register of Historic Places U.S. National Historic Landmark …
60Old Hall Hotel, Sandbach — Old Hall Hotel …