That well-known symbol of Valentine's Day, the heart, can be seen in nature around the world, from coral reefs, to mountain rigdes, to lichen growing on a rock. Click through to see images.

While we celebrate Valentine's Day every year on Feb. 14, Mother Nature has also been known to show her love by placing heart-shaped objects throughout the world.

The images were taken by a number of photographers and capture heart shapes from across the natural ... Nature reveals its amazing heart-shaped wonders. By CHRIS SLACK Updated: 19:41 EDT, 7 ...

Getty Images The only way to see Heart Reef is by helicopter or seaplane, and visitors can't snorkel or dive there due its protected status. We think this is perfect setting by Mother Nature for a ...

And just in that process, you going to end up with 223 great pictures to go in a book.” The nature preserves marshes and swamps and rare longleaf pine Savannahs.