Photo of the Day 24 December 2007

Diving in Devil's Ear, Florida, 1998
Photograph by Wes Skiles
Plant tannins from the Santa Fe River mixed with diamond-clear aquifer waters make this cave entrance in Florida's Ginnie Spring appear engulfed in flames. The entrance, called Devil's Ear, is just one portal of hundreds in northern Florida leading to a watery underworld that explorers are slowly bringing to light.