If you find yourself wandering along the ancient Lycian Way here on Turkey’s Turquoise Coast — perhaps just a stone’s throw from where we are in Muğla — you might stumble upon one of the Mediterranean’s best-kept ecological secrets. Nestled between towering, 350-meter-high cliffs at the foothills of Mount Babadağ lies Kelebekler Vadisi, or Butterfly Valley. While the valley is home to over 80 species