Their images helped influence Congress to make Yellowstone the first National Park. Smithsonian American Art Museum Rainbow over the Grand Canyon of the Yellowstone Smithsonian American Art Museum Old ...

Yellowstone National Park, established in 1872, was initially preserved due to its harsh volcanic landscape and severe winters, which deterred settlers and inadvertently created a wildlife refuge.

In 1946, with World War II over and gasoline rationing and travel restrictions lifted, attendance at Yellowstone National Park quadrupled from 189,000 to 807,000. Two years later, it would cross ...