Subject
Historic buildings
574
Harbors
360
Castles & palaces
337
Hotels
287
Streets
260
Cathedrals
248
Churches
241
Bridges
229
Dwellings
106
Convents
102
Piers & wharves
99
Rivers
88
Islands
75
Catholic churches
69
Beaches
67
Parks
64
Lakes & ponds
60
Mountains
53
Abbeys
52
Universities & colleges
50
Plazas
49
Ships
47
Schools
44
Walkways
44
Railroads
33
Waterfalls
33
Bays (bodies of water)
30
Barracks
27
Markets
27
Railroad stations
24
Villages
23
Steamboats
22
Mills
21
Antiquities
20
Towers
19
Monuments & memorials
14
Post offices
12
Yachts
12
Boats
11
Cemeteries
10
Roads
10
Courthouses
8
Forts & fortifications
8
Valleys
8
Dairying
7
Lighthouses
7
Prisons
7
Tombs & sepulchral monuments
7
Architecture
6
Crosses
5
more ...