If you see a hundred jellies, keep going. If you see a thousand jellies, keep going. If you see a million jellies, stop - you're there.
Head some 500 miles (800 km) east of the Philippines or 2,000 miles (3,200 km) south of Tokyo, and you'll find Palau, an island nation in the Pacific Ocean. Amongst the Rock Islands of Palau is a vaguely Y-shaped uninhabited island, called Mecherchar or Eil Malk, which includes a number of marine lakes. One of the more astounding lakes is Ongeim'l Tketau or Jellyfish Lake, home to millions of jellyfish that make daily migrations, tracking the sun. [more inside]