
QUICK FACTS
Name: Carlsbad Caverns
Location: New Mexico
Coordinates: 32.13721555956437, -104.5427096972203
Why it's incredible: The caverns hold astonishing limestone formations and gypsum crystals.
Carlsbad Caverns is a maze of underground caves born from an ancient tropical reef. The caverns house North America's largest cave chamber, "the Big Room," which boasts a floor area of 8.2 acres — equivalent to more than six football fields.