Photo of the Day 291

Blue Hole and Diver, Ichetucknee Springs, Florida, 1999

Photograph by Wes C. Skiles

A column of sunlight illuminates a diver in the diamond-clear waters of Blue Hole in North Florida’s Ichetucknee Springs State Park. Conservationists worry that Ichetucknee, one of the crown jewels of Florida's parks system, could become polluted by runoff far from the park's center.

(Photo shot on assignment for, but not published in, "Unlocking the Labyrinth of North Florida's Springs," March 1999, National Geographic magazine)