
National Parks Exploration Series: Yellowstone
Production:
Release date: 2011-12-01
On March 1, 1872 President Ulysses S. Grant signed into existence the world's first national park, Yellowstone National Park. The 2.2 million acres of wilderness is the only complete mid-latitude ecosystem left on the planet.

7.5

0

7.7

8

3.5
0

8

0

6

2

0

8.2

8

6.9