Jackson Lake is a natural remnant of glacial gouging and was enlarged by the construction of the Jackson Lake Dam in the early 20th century.

Jackson Lake, in the state of Wyoming's Grand Teton National Park, is a natural remnant of glacial gouging and was enlarged by the construction of the Jackson Lake Dam in the early 20th century. The International Space Station was orbiting nearly 256 miles above North America when this photograph was taken by an Expedition 57 crew member.