"It literally looked like lava" was one person's reaction after seeing the famed firefall in Yosemite National Park, and the ingredients are coming together for another spectacular show by Mother Nature this year. During the second half of February, the light from the setting sun illuminates Horsetail Fall in California's Yosemite National Park at just the right angle to make it appear like the waterfall is on fire. Photographers from around the world flock to the park every year with hopes of c