Subject
Lakes & ponds
63
Hotels
51
Castles & palaces
33
Historic buildings
33
Harbors
22
Railroads
21
Bridges
19
Markets
17
Mountains
16
Churches
13
Plazas
13
Streets
13
Railroad stations
11
Piers & wharves
10
Waterfalls
10
Bays (bodies of water)
9
Dwellings
8
Boats
5
Catholic churches
4
Gardens
3
Monuments & memorials
3
Rivers
3
Universities & colleges
3
Valleys
3
Electric railroads
2
Roads
2
Schools
2
Ships
2
Villages
2
Abbeys
1
Cemeteries
1
City & town halls
1
Islands
1
Mills
1
Pictorial works
1
Round Towers
1
Steamboats
1
Towers
1