Subject
Historic buildings
531
Churches
397
Streets
388
Parks
317
Universities & colleges
317
Cathedrals
272
Harbors
219
Bridges
143
Monuments & memorials
136
Castles & palaces
112
Hotels
87
Cemeteries
79
Ships
67
Galleries & museums
64
Piers & wharves
64
Catholic churches
54
Steamboats
50
Gardens
48
Hospitals
44
Barracks
43
Boats
41
Roads
40
Libraries
37
Rivers
28
Bays (bodies of water)
27
Dwellings
27
Plazas
23
Railroads
22
Schools
22
Convents
20
Electric railroads
20
Railroad stations
17
Beaches
16
Towers
15
Abbeys
14
Yachts
12
Asylums
10
City & town halls
10
Golf
10
Lighthouses
10
Post offices
10
Islands
9
Waterfalls
9
Crosses
8
Markets
8
Presbyterian churches
8
Antiquities
7
Architecture
6
Hills
6
Villages
5
more ...