Southwest
Carlsbad Caverns National Park
New Mexico
Carlsbad Caverns features over 100 caves including the spectacular Big Room, plus nightly summer bat flights of hundreds of thousands of bats.
46,766 acres
349,244 visitors/yr
Southwest
White Sands National Park
New Mexico
White Sands protects the world's largest gypsum dune field, where endless waves of brilliant white sand create a surreal, otherworldly landscape.
145,762 acres
782,469 visitors/yr