Subject
Historic buildings
481
Streets
369
Universities & colleges
296
Churches
292
Parks
281
Cathedrals
272
Bridges
136
Monuments & memorials
93
Castles & palaces
64
Galleries & museums
64
Barracks
43
Gardens
36
Hotels
36
Libraries
36
Catholic churches
35
Hospitals
30
Rivers
24
Piers & wharves
23
Roads
23
Cemeteries
21
Plazas
21
Dwellings
18
Electric railroads
17
Schools
16
Asylums
10
Convents
10
Post offices
10
Steamboats
9
Railroads
8
Ships
8
Waterfalls
8
Markets
7
Railroad stations
7
Crosses
6
Towers
6
Boats
5
Presbyterian churches
5
Antiquities
4
Architecture
4
Bays (bodies of water)
4
Lakes & ponds
3
Lighthouses
3
Prisons
2
Railroad stations -- Ireland -- Dublin (County) -- 1870-1890
2
Tombs & sepulchral monuments
2
Abbeys
1
Birthplaces
1
Canals
1
Courthouses
1
Harbors
1
more ...