Subject
Streets
164
Historic buildings
149
Churches
125
Castles & palaces
97
Abbeys
58
Catholic churches
52
Cathedrals
51
Antiquities
49
Convents
43
Rivers
33
Bridges
32
Dwellings
28
Barracks
27
Valleys
17
Universities & colleges
16
Plazas
13
Markets
12
Towers
12
Courthouses
10
Monuments & memorials
9
Round Towers
9
Schools
9
Shrines
9
Crosses
8
Piers & wharves
8
City & town halls
7
Harbors
5
Parks
5
Boats
3
Lakes & ponds
3
Monasteries
3
Railroads
3
Dairying
2
Estates
2
Presbyterian churches
2
Ruins
2
Caves
1
City & town life
1
Houses
1
Mountains
1
Railroad bridges
1
Railroad stations
1
Roads
1
Steamboats
1