Subject
Rivers
Bridges
126
Irish
65
Castles & palaces
26
Historic buildings
24
Mountains
21
Churches
17
Waterfalls
16
Boats
15
Lakes & ponds
15
Railroads
14
Piers & wharves
13
Valleys
13
Trees
12
Ships
11
Houses
9
Steamboats
9
Canals
8
Dwellings
8
Cities & towns
7
Abbeys
6
Cathedrals
5
Harbors
5
Roads
5
Water quality
5
Streets
4
Towers
4
Universities & colleges
4
Convents
3
Fishing
3
Meadows
3
Parks
3
Passes (Landforms)
3
Plazas
3
Railroad bridges
3
Rocks
3
Ruins
3
Buildings
2
Canyons
2
English
2
Forests
2
Homes & haunts
2
Horseback riding
2
Hotels
2
Steeples
2
Villages
2
Ballads, English
1
Barracks
1
Bays (bodies of water)
1
Beaches
1
more ...