Smithsonian magazine's 22nd Annual Photo Contest | Made possible through the support of MPB.com

9th Annual Smithsonian Magazine Photo Contest Natural World
Mercer Caverns in California

Mercer Caverns in California

Photo Detail
Date Taken: 08.2009
Date Uploaded: 10.2011
Photo Location: Sanger, California, United States of America
Camera: Canon PowerShot SX100 IS
Copyright: © Teresa McAlpin