Stock photography, photos: Carlsbad Caverns - New Mexico, USA Stock photos of Fused columns in the Big Room at the cave system of Carlsbad Caverns National Park - one of the largest cave systems in the world. New Mexico, USA Photograph: © Robert Burch Click for a larger image and more information Keywords associated with this stock photo: southwest, usa, west, western, landscape, landscapes, desert, cave, caves, cavern, carlsbad caverns, new mexico, underground, national park, stalactite, stalactites, stalagmites, stalagmite, formations, limestone