Among the wonders against which the Dead Sea will compete are Venezuela 's Angel Falls , said to be the highest waterfall in the world ; Germany 's Black Forest ; Bu Tinah Shoals , a tiny archipelago in the United Arab Emirates ; Ireland 's Cliffs of Mohar ; the Galapagos Islands in the Pacific Ocean ; the Grand Canyon in the United States , and Jetta Grotto , a compound of crystallized caves north of Beirut .