Railay Beach in Krabi, Thailand is known for its beautiful beaches, kayaking, snorkeling, and climbing, but it's also known for its two caves filled with hand carved wooden penis's. It's believed by the villagers that the spirit of Phranang (Princess Goddess) resides in the cave… Railay Beach in Krabi, Thailand is known for its beautiful beaches, kayaking, snorkeling, and climbing, but it's also known for its two caves filled with hand carved wooden penis's. It's believed by the villagers that the spirit of Phranang (Princess Goddess) resides in the cave. Fisherman, before going out, would offer Phranang these carvings for good luck.