Subject
Abbeys
4
Airplanes
76
Airports
87
Astronomical observatories
9
Automobile racing
11
Automobile service stations
2
Beaches
6
Boats
16
Bridges
39
Buildings, structures, etc
1
Bus terminals
5
Business enterprises
11
Castles & palaces
53
Churches
79
Circuses & shows
8
Cities & towns
658
Cities and towns
1
Coastlines
268
Construction
8
Convents
63
Dams
13
Factories
227
Farmhouses
11
Farming
18
Fishing industry
16
Floods
67
Golf
12
Golf courses
3
Harbors
50
Historic buildings
64
History
1
Horse farms
76
Hospitals
203
Hotels
97
Houses
488
Housing developments
66
Islands
18
Lakes
33
Lakes & ponds
2
Lifeboats
8
Lighthouses
18
Mills
4
Mining
12
Monasteries
4
Motion pictures
26
Mountains
18
Parades & processions
12
Parks
18
Plowing
28
Power plants
14
more ...