Andros island in the Bahamas has the largest collection of the blue holes. Andros is the largest island in the Bahamas and it more than 200 Blue Holes. Blue Holes are usually sink holes or underwater caves in shape of a circle.
Victoria Island is situated in the Canadian Arctic Archipelago. It is the second largest island of Canada. It covers an area of 217,291 square km. The largest island of Canada is the Baffin Island.
Forested wetlands are called as swamps. They are located all around the world. Freshwater swamps form along large lakes and rivers. Saltwater swamps are found along tropical and sub tropical coastlines.