Typically. when one thinks of palm trees, they rarely mention Wyoming ... yet Fossil Lake proves palm trees existed in this area back when it was a tropical paradise. The second video in a three-part series explores the history of Fossil Lake, Wyoming.  From the major volcanoes, proof of earthquakes, and even a horse, the discoveries impress as much as they excite scientists. The series is part of a larger playlist from Brain Scoop on Fossils and Geology.