A hidden gem tucked in the limestone cliffs, this prehistoric dry‑as‑dust sinkhole turns into a crystal‑clear underwater cavern that feels straight out of a fantasy. 🌊✨ 1️⃣ *Arrive early* – Beat the crowds and catch the soft morning light that makes the water glow. 2️⃣ *Gear check* – If you’re scuba‑diving, the 50‑ft descent leads you to the iconic “arch” and fossil‑rich walls. Snorkelers can still enjoy the shallow ledge where the sunlight paints the bottom. 3️⃣ *Stay safe* – The water stays a