265 million years ago there was an inland sea in southeastern New Mexico. Today this area is home to magnificent caves, known as Carlsbad Caverns National Park. | REI

The Carlsbad Caverns National Park is one of the most visited sites in New Mexico. It has approximately 120 known caves hidden mostly underground. Carved from limestone deposited in an ancient Sea, its underground landscape attracts thousands of tourists. Thus, if you are an enthusiast of archaeology and nature, this can be a treat for you. Besides, visitors can also experience Carlsbad Caverns bat tours, expeditions to specific caves, and walks through the wondrous geographical formations. See