Travelling through the Guadalupe Mountain Range one has no idea of the wonder that lies beneath: over 100 limestone caves formed when sulfuric acid dissolved the surrounding limestone. Please click the images to view larger versions. Carlsbad is the largest of the caves and you can visit without any fear of claustrophobia. It's big room is 4,000 feet wide, 625 feet … [Read more...] about Carlsbad Caverns National Park