Great Blue Hole. Located in the center of Lighthouse Reef, one of the atolls of Belize Barrier Reef. The hole is circular sinkholes diameter of 305 meters, leaving a depth of 120 m it has become known thanks to the French explorer Jacques Yves Cousteau, who included it in the top ten best places in the world for diving.
Failure Bimah. This limestone crater filled with blue-green water, is located in Oman. Popular with tourists.
The failure is located 500 meters from the beach. Connected to the sea underwater cave.
Ik-Kil. Located in Mexico. This is one of the most beautiful karst lakes in the world. The height of the walls is about 25 meters, and depth – more than 50.
Blue Hole Dean. Located on Long Island, Bahamas. Known as the ideal place for diving.
Dean’s Blue Hole has a round base with a diameter of 25 to 35 meters. After a descent to 20 meters into the cave expands to a diameter of about 100 meters.
Lake the morning of delight (Morning Glory Pool). It is a beautiful lake, which is located in Yellowstone National Park in the United States.
The depth of the lake – about 7 meters. It is hot and from it comes steam. His magnificent lake raznotsvetiem shall dwell in it the bacteria.