New Mexico's most famous subterranean tourist site is Carlsbad Caverns. Located in the scenic Carlsbad Caverns National Park, this attraction offers numerous guided tours that give visitors the opportunity to marvel at the site's natural beauty.
More adventurous visitors have the freedom to explore many locations throughout the cave system independently. Popular places within Carlsbad Caverns include the Hall of the White Giant, King's Palace and Left Hand Tunnel. Carlsbad Caverns is open to the public every day of the year with the exception of Thanksgiving, Christmas and New Year's Day. Visitors may want to phone ahead to reserve a spot on a guided tour.