"It’s the climber’s equivalent of Mecca: Every winter, between November and March, thousands of climbers from across the world make the pilgrimage to Hueco Tanks, an 860-acre (348-hectare) bouldering area outside El Paso, Texas, with more than 2,000 problems—and counting. It’s renowned for its dry, sunny weather, bombproof igneous rock, and fantastical rock formations that make for endlessly challenging climbing."