Buildings, structures, etc History 145 Historic buildings 75 Buildings 60 Architecture 51 Social life and customs 22 Hotels 18 more ... Architecture, Domestic 16 Conservation and restoration 13 Dwellings 12 Historic sites 12 Homes and haunts 12 Mansions 11 Description and travel 8 Histoire 8 Pictorial works 7 Statues 6 Criticism and interpretation 5 Guidebooks 5 Public buildings 5 Railroads 5 Statue of Liberty (New York, N.Y.) 5 ARCHITECTURE 4 Antiquities 4 Architects 4 City planning 4 Constructions 4 Design and construction 4 Exhibitions 4 Manners and customs 4 Neighborhoods 4 Postcards 4 Walking 4 William Penn Statue (City Hall, Philadelphia, Pa.) 4 Architecture, Modern 3 Architecture, Victorian 3 Architektur 3 Art collections 3 Bridges 3 Capital and capitol 3 less ...