Historic sites History 115 Historic buildings 48 Conservation and restoration 40 History, Local 26 Description and travel 22 Guidebooks 16 more ... Antiquities 15 Buildings, structures, etc 14 African Americans 13 Historical museums 13 Lieux historiques 13 Monuments 12 Museums 11 Battlefields 10 Architecture 9 Excavations (Archaeology) 9 Histoire 9 Interpretive programs 9 Periodicals 9 Historical markers 8 Homes and haunts 7 National parks and reserves 7 Fugitive slaves 6 Historic houses, etc 6 Historic preservation 6 Social life and customs 6 Underground Railroad 6 Historic districts 5 Presidents 5 Public history 5 Slavery 5 Walking 5 Women 5 Buildings 4 Campaigns 4 Cemeteries 4 Directories 4 Historical libraries 4 Jews 4 less ...