Before you plan your trip to see America's first national park, be sure to check out these fun facts to share with your friends and family

Yellowstone was established on March 1, 1872

It is the world's first National Park

It contains 3,472 square miles and measures 63 miles north to south and 54 miles east to west

The park is contained in three states: 96% in Wyoming, 3% in Montana, and 1% in Idaho

The highest point in the park is 11,358' at Eagle Peak and the lowest point in the park is 5,282' at Reese Creek

Yellowstone is larger than the states of Rhode Island and Delaware combined

Yellowstone has 1000 to 3000 earthquakes annually

Yellowstone is home to 67 species of mammals, 285 species of birds, 16 species of fish, 6 species of reptiles, 5 species of amphibians, and more than 7 aquatic nuisance species

Two threatened species call the park home - Canada lynx and Grizzly bears. Wolverines are a proposed threatened species

In 2015, Yellowstone National Park had 4,097,710 visits - a park record