Carlsbad Caverns National Park is a limestone show cave with the fifth-largest chamber in North America. Located in southern New Mexico, its Big Room is 4,000 feet long (1200 m) and 255 feet tall (78 ...

Some people arrive at Carlsbad Caverns in Carlsbad, New Mexico, unsure of what to expect beyond a one-of-a-kind adventure. Others may be experienced visitors who enjoy visiting the awe-inspiring ...