1) Underwater ruin 
Phanagoria (Phanagóreia) was the largest ancient Greek city on the Taman peninsula, spread over two plateaus along the Asian shore of the Cimmerian Bosporus. The city was a large emporium for all the traffic between the coast of the Maeotian marshes and the countries on the southern side of the Caucasus. It was the Asian capital of the Bosporan K...