In a city filled with palms and desert landscape, the grass lawn, pond and cottonwood tree-filled Floyd Lamb Park might look a little out of place in the Mojave metropolis of Las Vegas. However, this oasis in what is now northwestern Vegas has been popular for literally thousands of years. Inside Floyd Lamb visitors can explore Tule Springs Ranch, one of the best examples of Pleistocene paleontologic sites in western North America. Tule Springs was visited by large prehistoric mammals in an era when the southern Nevada area was much cooler and wetter. Fossil remains of extinct mammoths, bison, horses, camels, giant sloths and other animals have been found in Tule Springs.