Parks 1,160 History 536 Students 261 Buildings 198 Outdoor recreation 182 Buildings, structures, etc 159 Historic sites 159 more ... Recreation areas 158 Faculty 128 National parks and reserves 128 College students 122 Historic buildings 119 Geology 109 Study and teaching 103 Gettysburg, Battle of, Gettysburg, Pa., 1863 102 Alumni and alumnae 96 Automobile parking 95 Roads 93 Societies, etc 82 Sports 80 Management 77 Military parks 75 Law and legislation 73 Planning 73 Amusement parks 71 Conservation and restoration 63 Forest reserves 61 Camping 60 College sports 59 Greek letter societies 56 less ...