Subject
Castles & palaces
Historic buildings
Lakes & ponds
70
Antiquities
60
Bridges
38
Churches
32
Rivers
15
Causeways
14
Dwellings
10
Architecture
9
Barracks
9
Islands
9
Towers
8
Streets
7
Harbors
6
Ruins
6
Bays (bodies of water)
5
Boats
5
Capes (Coasts)
5
Piers & wharves
5
Mills
4
Monuments & memorials
4
Ships
4
Valleys
4
Cliffs
3
Convents
3
Crosses
3
Plazas
3
Roads
3
Abbeys
2
Libraries
2
Parks
2
Beaches
1
Cathedrals
1
Caves
1
City & town halls
1
Gardens
1
Golf
1
Hotels
1
Mountains
1
Stables
1
Steamboats
1
Universities & colleges
1
Wetlands
1