I've shot these tidepools in La Jolla, CA at low tide a couple times in different conditions. But this time I wanted get a dark moody shot. There was just enough light left to show the detailed contours of these interesting formations so I got low and up close.
La Jolla, CA
Canon 5D mkII, Canon 17-40 f4@21mm, f18@5 sec, ISO 100, Polarizer, Lee 2-stop hard NDG