According to UNILAD, Pyramid Lake, which is located in northeast Nevada, is roughly 2/3 the size of New York City. The massive lake's green swirls are apparently signs of a dangerous development.

Pyramid Lake The deep blue and gray Pyramid Lake north of Reno is a remnant of Lake Lahontan, the inland sea that once covered much of Nevada. Home to the Pyramid Lake Paiute Tribe, a visit offers ...