![Petrified Tree, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/75977012.Ng9iD3J5.jpg) Petrified Tree, Yellowstone National Park |
![Bleached Cliffs, Yellowstone Canyon, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/75977013.Hb7VI5pT.jpg) Bleached Cliffs, Yellowstone Canyon, Yellowstone National Park |
![Tower Fall, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/137701891.Jp6vxIWg.jpg) Tower Fall, Yellowstone National Park |
![Brink Of The Upper Falls, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/137701892.O1c4lXzr.jpg) Brink Of The Upper Falls, Yellowstone National Park |
![From Inspiration Point, Yellowstone Canyon, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/75977014.TKto8YAN.jpg) From Inspiration Point, Yellowstone Canyon, Yellowstone National Park |
![Yellowstone Canyon, Yellowstone National Park](https://a4.pbase.com/g6/09/757109/3/75977015.rQAZb9ol.jpg) Yellowstone Canyon, Yellowstone National Park |
![Yellowstone Canyon, Yellowstone National Park](https://a4.pbase.com/g6/09/757109/3/75977016.roImLEM2.jpg) Yellowstone Canyon, Yellowstone National Park |
![Yellowstone Canyon, Yellowstone National Park](https://a4.pbase.com/g6/09/757109/3/75977017.D0RNlt3Z.jpg) Yellowstone Canyon, Yellowstone National Park |
![Sign, Yellowstone Canyon, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/75957760.OSjXNWFg.jpg) Sign, Yellowstone Canyon, Yellowstone National Park |
![Yellowstone Canyon, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/121542807.U0qX2cmt.jpg) Yellowstone Canyon, Yellowstone National Park |
![Yellowstone Canyon, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/121542809.mF70iafI.jpg) Yellowstone Canyon, Yellowstone National Park |
![Sign, Yellowstone Canyon, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/121542813.URI8H9n9.jpg) Sign, Yellowstone Canyon, Yellowstone National Park |
![Lower Falls, Yellowstone Canyon, Yellowstone National Park](https://a4.pbase.com/g3/09/757109/3/121542811.XI7hOSN9.jpg) Lower Falls, Yellowstone Canyon, Yellowstone National Park |
![Lower Falls, Yellowstone Canyon, Yellowstone National Park](https://a4.pbase.com/g6/09/757109/3/75977019.MWCBCNcW.jpg) Lower Falls, Yellowstone Canyon, Yellowstone National Park |
![Lower Falls, Yellowstone Canyon, Yellowstone National Park](https://a4.pbase.com/g6/09/757109/3/75977020.VUUJlrAs.jpg) Lower Falls, Yellowstone Canyon, Yellowstone National Park |
![Meadow, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/75977021.Mpf4GvM4.jpg) Meadow, Yellowstone National Park |
![Sign, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/75977022.2FMXOgJ4.jpg) Sign, Yellowstone National Park |
![Sulphur Caldron, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/75977023.SoxKiLJ4.jpg) Sulphur Caldron, Yellowstone National Park |
![Dragons Mouth, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/75977024.pMrJzjbU.jpg) Dragons Mouth, Yellowstone National Park |
![Mud Volcano Area, Yellowstone National Park](https://a4.pbase.com/g3/09/757109/3/121197165.gG3gT6Ul.jpg) Mud Volcano Area, Yellowstone National Park |
![Bubbling Mud (35 yrs ago), Yellowstone National Park](https://a4.pbase.com/g6/09/757109/3/75985166.Mdx6MeBu.jpg) Bubbling Mud (35 yrs ago), Yellowstone National Park |
![Ex-Bubbling Mud Pot, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/75977025.0rShbVQK.jpg) Ex-Bubbling Mud Pot, Yellowstone National Park |
![Mud Volcano Area, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/121197168.yZ9fpOUz.jpg) Mud Volcano Area, Yellowstone National Park |
![Mud Volcano Area, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/75977026.vEztIom6.jpg) Mud Volcano Area, Yellowstone National Park |
![Sour Lake / Black Caldron, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/121540628.CNmy8Vxt.jpg) Sour Lake / Black Caldron, Yellowstone National Park |
![Grizzly Fumarole, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/121540629.TFEYGsNS.jpg) Grizzly Fumarole, Yellowstone National Park |
![Buffalo, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/75977028.BAGB7UOC.jpg) Buffalo, Yellowstone National Park |
![Buffalo, Yellowstone National Park](https://a4.pbase.com/g6/09/757109/3/75977027.qrwmZunK.jpg) Buffalo, Yellowstone National Park |
![Male Buffalo Trying To Impress The Girlfriend, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/75977029.IlW91l57.jpg) Male Buffalo Trying To Impress The Girlfriend, Yellowstone National Park |
![Buffalo, Yellowstone National Park](https://a4.pbase.com/g6/09/757109/3/75977031.BBtiJsPm.jpg) Buffalo, Yellowstone National Park |
![Buffalo, Yellowstone National Park](https://a4.pbase.com/g6/09/757109/3/75977030.Zbnw7kUd.jpg) Buffalo, Yellowstone National Park |
![Churning Caldron, Yellowstone National Park](https://a4.pbase.com/g3/09/757109/3/121540794.UIGhaR7Q.jpg) Churning Caldron, Yellowstone National Park |
![Mud Caldron, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/75977032.pgAphZZL.jpg) Mud Caldron, Yellowstone National Park |
![Mud Volcano Area, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/121540795.bv6Fi7ZI.jpg) Mud Volcano Area, Yellowstone National Park |
![Look At Me When I Talk To You!, Yellowstone National Park](https://a4.pbase.com/g3/09/757109/3/121197158.EYsi4oZ3.jpg) Look At Me When I Talk To You!, Yellowstone National Park |
![Mature Lodgepole Pine Forest, Yellowstone National Park](https://a4.pbase.com/g6/09/757109/3/75977033.tPYCJnwv.jpg) Mature Lodgepole Pine Forest, Yellowstone National Park |
![Mature Lodgepole Pine Forest, Yellowstone National Park](https://a4.pbase.com/g6/09/757109/3/75977034.UXMJJ6e0.jpg) Mature Lodgepole Pine Forest, Yellowstone National Park |
![Eleanor Lake, Yellowstone National Park](https://a4.pbase.com/g4/09/757109/3/75977035.sEj1LDAT.jpg) Eleanor Lake, Yellowstone National Park |
![Mountains from near Lake Eleanor, Yellowstone National Park](https://a4.pbase.com/g3/09/757109/3/121197161.mLiez7td.jpg) Mountains from near Lake Eleanor, Yellowstone National Park |
![The Smith Mansion, near Cody (Wapiti), Wyoming](https://a4.pbase.com/g6/09/757109/3/75977036.Y2mxiykm.jpg) The Smith Mansion, near Cody (Wapiti), Wyoming |
![Buffalo Bill Reservoir, Cody WY](https://a4.pbase.com/g6/09/757109/3/75977037.R1TuebZk.jpg) Buffalo Bill Reservoir, Cody WY |
![Buffalo Bill Reservoir, Cody WY](https://a4.pbase.com/g4/09/757109/3/137701895.THIyR5cY.jpg) Buffalo Bill Reservoir, Cody WY |
![Just Outside Cody WY](https://a4.pbase.com/g4/09/757109/3/137701893.SNMk4l1i.jpg) Just Outside Cody WY |
![Just Outside Cody WY](https://a4.pbase.com/g3/09/757109/3/75977038.h7WQThm3.jpg) Just Outside Cody WY |