Featuring more than 175 of Thomas Mangelsen's most iconic photographs, Seasons of Yellowstone captures the majesty of all four seasons - from the heavy snows of winter to the brilliant colors of autumn - in the Greater Yellowstone Ecosystem, including its most dramatic vistas and magnificent wildlife.

Established in 1872, Yellowstone - America's first national park - sits at the heart of the only remaining region in the lower 48 states that contains all of the iconic free-roaming mammals on the continent. For the park's 150th anniversary, Mangelsen has opened his vault of stunning photographs from every corner of the 2.2 million acres that make up Yellowstone National Park and the adjacent Grand Teton.