Subject
Railroads
Railroad stations
21
Bridges
17
Rivers
11
Capes (Coasts)
10
Ships
10
Piers & wharves
8
Cliffs
7
Railroad bridges
7
Roads
4
Valleys
4
Harbors
3
Hotels
3
Streets
3
Beaches
2
Dwellings
2
Steamboats
2
Architecture
1
Bays (bodies of water)
1
Boats
1
Castles & palaces
1
Cathedrals
1
Churches
1
Cities & towns
1
Country life
1
Historic buildings
1
Interiors
1
Islands
1
Lifeboats
1
Monuments & memorials
1
Parks
1
Photographic collections
1
Ruins
1
Villages
1