NationalPark   Size(acres)   Visitors(millions)
  Arcadia            47.4       2.05
  BryceCanyon        35.8       1.02
  CuyahogaValley     32.9       2.53
  Everglades       1508.5       1.23
  GrandCanyon      1217.4       4.40
  GrandTeton        310.0       2.46
  GreatSmoky        521.8       9.19
  HotSprings          5.6       1.34
  Olympic           922.7       3.14
  MountRainier      235.6       1.17
  RockyMountain     265.8       2.80
  Shenandoah        199.0       1.09
  Yellowstone      2219.8       2.84
  Yosemite          761.3       3.30
  Zion              146.6       2.59