Subject
prev ...
Plazas
39
Post offices
4
Prisons
1
Protestant churches
34
Racetracks
1
Railroad bridges
7
Railroad stations
23
Railroads
51
Rivers
139
Roads
33
Rock formations
13
Round Towers
41
Ruins
28
Schools
20
Ships
56
Shrines
5
Steamboats
15
Streets
174
Tombs & sepulchral monuments
10
Towers
121
Universities & colleges
55
Universities and colleges
2
Valleys
25
Villages
16
Walkways
9
Waterfalls
49
Wetlands
2