The Grand Tetons as seen from The National Elk Refuge outside of Jackson, Wyoming.
Winter in Yellowstone offers excellent wildlife viewing and respite from the large crowds that visit the park in the summer months.
The following images were captured by Nat Hab Adventure Specialist Simon Krejcik during a Yellowstone: Ultimate Wolf & Wildlife Safari.
Crisp Winter day at Mammoth Hot Springs, Yellowstone National Park.
First glimpse of the Lamar Canyon wolf pack upon entering the Lamar Valley in Yellowstone National Park.
A large male bison plays a game of peek-a-boo in the Lamar Valley, Yellowstone.
Snowshoeing is a wonderful and peaceful way to explore Yellowstone National Park in the winter.
A lone red fox trotting through the stillness of winter in Yellowstone National Park.
The mystical Fountain Paint Pots and Geyer Basin at sunset in Yellowstone National Park.
Nighttime at Old Faithful in Yellowstone National Park, without another soul in sight.