Rainbow Springs State Park has crystal-clear springs, hand-built waterfalls, and hidden trails teeming with wildlife.A scenic landscape in Rainbow Srpings State Park. CampPhoto/Getty ImagesRainbow Springs State Park’s sapphire-blue waters well up from the earth with startling clarity, a living force that has drawn people here for thousands of years—from the Timucua who once gathered along its banks to modern-day visitors floating quietly above t…