Legend has it that a mighty tomahawk once brought down a fearful giant, turning it to stone and scattering its pieces near Horsetooth Reservoir. Now if you look carefully at the rock climbing structures by Spring Canyon Park’s playground, you’ll notice a nose, a mouth, and an eye sunken into the ground in one section, and nearby a hand (complete with fingerprints) rises out of the ground. The giant’s ghastly foot can be found toes-out embedded in the earth just beyond the playground. You can stick your head up the…