The Milky Way over the Yellowstone National Park, Wyoming, USA. The three bright stars of the Summer Triangle (Deneb, Altair, and Vega) are in the middle top, as well as the North America Nebula. On the Earth the Lower Yellowstone Falls drops 308 feet (94 m) and the Yellowstone river continues in the Grand Canyon of the Yellowstone. Established in 1872 the Yellowstone is the world's earliest national park, known for its wildlife and geothermal features.