Subject
Churches
Catholic churches
712
Cathedrals
163
Historic buildings
156
Presbyterian churches
113
Antiquities
75
Islands
71
Monuments & memorials
57
Lakes & ponds
53
Streets
49
Abbeys
48
Convents
46
Towers
45
Universities & colleges
40
Monasteries
36
Protestant churches
35
Castles & palaces
32
Architecture
30
Cemeteries
21
Schools
19
Dwellings
17
Rivers
16
Crosses
11
Plazas
11
Ruins
8
Birthplaces
7
Bridges
7
Parks
7
Roads
7
Round Towers
7
Mountains
6
Hotels
5
Irish
5
Asylums
4
Harbors
4
Interiors
4
Barracks
3
Bays (bodies of water)
3
Canals
3
Mills
3
Ireland
2
Meadows
2
Piers & wharves
2
Prisons
2
Round towers
2
Tombs & sepulchral monuments
2
Villages
2
Antrim (Northern Ireland)
1
Automobiles
1
Beaches
1
more ...