Here are some staggering numbers about this stunning New Mexico national park. This haven for wildlife has 54 reptile species, 357 bird species, 17 bat species, 67 mammal species and 357 bird species. But that’s not the only reason to visit this often-overlooked wilderness, which is famous for its towering cacti. The star of the show is the Carlsbad Cavern. It’s home to America’s third-largest cave chamber, which is 4,002 feet (1,220m) long and 225 feet (78m) high.

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