Buildings, structures, etc 132 History 64 Historic buildings 27 Buildings 24 Architecture 19 Hotels 19 Conservation and restoration 9 more ... Social life and customs 9 Historic sites 8 Railroads 5 Statues 5 Architecture, Domestic 4 Histoire 4 Homes and haunts 4 William Penn Statue (City Hall, Philadelphia, Pa.) 4 Design and construction 3 Dwellings 3 Exhibitions 3 Historic houses, etc 3 Liberty Bell 3 Mansions 3 Neighborhoods 3 Pictorial works 3 Public buildings 3 Walking 3 Abandoned buildings 2 Architectural & Industrial 2 Architecture, Modern 2 Architecture, Victorian 2 Auditoriums 2 Biography 2 Businesswomen 2 CHR 1789 2 Church history 2 Church schools 2 Condominiums 2 Description and travel 2 Guidebooks 2 HISTORY 2 Historic districts 2 less ...