The Firehole
Located in Pfeiffer Beach, Big Sur, CA, in a secluded beach just off the Number 1, lies an opening in the rock that lights up like fireworks come sundown. Extra hidden fact: tossing the One Ring into the Firehole is the only way to destroy it forever.
(photo 1 by h. Ford Pierson, photo 2 by Stephen Oachs, via: msnbc.msn)