The Giant Dome, largest stalagmite thus far discovered. It is 16 feet in diameter and estimated to be 60 million years old. 'Hall of Giants, Big Room,' Carlsbad Caverns National Park, New Mexico. (vertical orientation), 1933 - 1942


Size: 3961px × 5049px
Photo credit: © Alpha Stock / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: