Yellowstone Lake . The lake is 7,732 feet above sea level and covers 136 square miles 10 miles of shoreline
Lower Yellowstone Falls. Cascading from the 590,000 year old Canyon Rhyolite lava flow, Lower Yellowstone Falls is the largest volume waterfall in the Rocky Mountains of the United States.
Check out this great video
Grand Teton National Park is in the northwest of the U.S state of Wyoming.