 Little Missouri River at sunset along the Wind Canyon Trail in Theodore Roosevelt NP - South Unit |
 Little Missouri River along the Wind Canyon Trail in Theodore Roosevelt NP - South Unit |
 The sun setting over the Little Missouri River in Theodore Roosevelt NP - South Unit |
 Sunset over the Little Missouri River in Theodore Roosevelt NP - South Unit |
 Little Missouri River along the Wind Canyon Trail in Theodore Roosevelt NP - South Unit |
 Bison in the Little Missouri River at sunset in Theodore Roosevelt NP - South Unit |
 Bison cross the Little Missouri River in Theodore Roosevelt NP - South Unit |
 Close-up of a Bison in Theodore Roosevelt NP - South Unit |
 Feral horse and foal overlooking the valley in Theodore Roosevelt NP - South Unit |
 Wild horses on the prairie in Theodore Roosevelt NP - South Unit |
 Painted Canyon from the rim at sunrise in Theodore Roosevelt NP - South Unit |
 Petrified wood along the Painted Canyon Trail in Theodore Roosevelt NP - South Unit |
 Cap rock formation along the Painted Canyon Trail in Theodore Roosevelt NP - South Unit |
 Hill at sunrise along the Painted Canyon Trail in Theodore Roosevelt NP - South Unit |
 Eroded hill at sunrise along the Painted Canyon Trail in Theodore Roosevelt NP - South Unit |
 Mountainside at sunrise along the Painted Canyon Trail in Theodore Roosevelt NP - South Unit |
 View descending into the valley on the Painted Canyon Trail in Theodore Roosevelt NP - South Unit |
 Wild horse herd in Theodore Roosevelt NP - South Unit |
 Solitary tree on the prairie in Theodore Roosevelt NP - South Unit |
 Cap rock formation along the Painted Canyon Trail in Theodore Roosevelt NP - South Unit |
 Approaching thunderstorm in Theodore Roosevelt NP - South Unit |
 Thunderstorm near Wind Canyon in Theodore Roosevelt NP - South Unit |
 Sun enveloped by clouds in Theodore Roosevelt NP - South Unit |
 A thunderstorm darkens the skies over Theodore Roosevelt NP - South Unit |
 Prairie and mounds in Theodore Roosevelt NP - South Unit |
 Theodore Roosevelt’s Maltese Cross Cabin in Theodore Roosevelt NP - South Unit |
 Maltese Cross hammered into a cabin log by Theodore Roosevelt in Theodore Roosevelt NP - South Unit |
 Resting Bison in Theodore Roosevelt NP - South Unit |
 Yucca plant baring fruit in Theodore Roosevelt NP - South Unit |
 Snake on the Loop Drive Road in Theodore Roosevelt NP - South Unit |
 I square off with Bison on the Loop Drive Road in Theodore Roosevelt NP - South Unit |
 Badlands hills in Theodore Roosevelt NP - South Unit |
 Wild horse on a prairie hillside in Theodore Roosevelt NP - South Unit |
 Eroded rock formations in Theodore Roosevelt NP - South Unit |
 Traveler has a standoff with a Prairie Dog in Theodore Roosevelt NP - South Unit |
 Mountainous badlands and prairie in Theodore Roosevelt NP - South Unit |
 Prairie chicken in Theodore Roosevelt NP - South Unit |
 Dragonfly in Theodore Roosevelt NP - South Unit |
 Close-up of a wild horse in Theodore Roosevelt NP - South Unit |
 The Loop road passing through a Prairie Dog Town in Theodore Roosevelt NP - South Unit |
 Petrified stumps along the North Petrified Forest Trail in Theodore Roosevelt NP - South Unit |
 Close-up of a petrified stump along the North Petrified Forest Trail in Theodore Roosevelt NP - South Unit |
 Petrified tree stumps along the North Petrified Forest Trail in Theodore Roosevelt NP - South Unit |
 Close-up of petrified wood in Theodore Roosevelt NP - South Unit |
 Petrified stumps along the North Petrified Forest Trail in Theodore Roosevelt NP - South Unit |
 A petrified stump along the North Petrified Forest Trail in Theodore Roosevelt NP - South Unit |
 A piece of petrified wood along the North Petrified Forest Trail in Theodore Roosevelt NP - South Unit |
 Feral horse watching me along the North Petrified Forest Trail in Theodore Roosevelt NP - South Unit |
 Petrified stumps along the North Petrified Forest Trail in Theodore Roosevelt NP - South Unit |
 Petrified wood bark along the North Petrified Forest Trail in Theodore Roosevelt NP - South Unit |