Subject
Abbeys
32
Antiquities
13
Arches
1
Architecture
10
Asylums
7
Barracks
3
Bays (bodies of water)
16
Beaches
6
Birthplaces
2
Boats
4
Bridges
49
Canals
8
Castles & palaces
93
Cathedrals
55
Catholic churches
39
Caves
1
Cemeteries
19
Churches
181
City & town halls
13
Courthouses
8
Crosses
19
Dwellings
52
Electric railroads
3
Estates
1
Forts & fortifications
2
Gardens
12
Golf
19
Harbors
41
Historic buildings
147
Hospitals
1
Hotels
109
Islands
5
Lakes & ponds
71
Lighthouses
1
Markets
8
Mills
6
Moats
9
Monuments & memorials
18
Mountains
17
Parks
131
Piers & wharves
16
Plazas
54
Post offices
2
Presbyterian churches
17
Protestant churches
2
Railroad stations
5
Railroads
5
Rivers
9
Roads
38
Ruins
5
more ...