Subject
Architecture
1
Asylums
1
Bays (bodies of water)
4
Boats
1
Bridges
9
Castles & palaces
3
Churches
7
City & town halls
1
Cliffs
1
Courthouses
1
Dwellings
2
Electric railroads
4
Harbors
2
Historic buildings
3
Hotels
1
Islands
8
Lakes & ponds
7
Lighthouses
1
Monuments & memorials
1
Mountains
8
Parks
7
Railroad bridges
2
Railroads
5
Rivers
5
Roads
Round Towers
1
Streets
1
Towers
3
Villages
2