Subject
Historic buildings
531
Churches
396
Streets
386
Universities & colleges
317
Parks
316
Cathedrals
272
Harbors
215
Bridges
142
Monuments & memorials
134
Castles & palaces
111
Hotels
83
Cemeteries
79
Ships
67
Galleries & museums
64
Piers & wharves
61
Catholic churches
54
Steamboats
50
Gardens
47
Hospitals
44
Barracks
43
Boats
41
Roads
40
Libraries
37
Rivers
28
Bays (bodies of water)
27
Dwellings
27
Plazas
23
Railroads
23
Schools
22
Electric railroads
21
Convents
19
Railroad stations
17
Beaches
16
Towers
15
Abbeys
14
Yachts
12
Asylums
10
Golf
10
Lighthouses
10
Post offices
10
Islands
9
Waterfalls
9
Crosses
8
Markets
8
Presbyterian churches
8
Antiquities
7
City & town halls
7
Architecture
6
Hills
6
Villages
5
more ...