Bermuda Triangle (also known as the the Devil's Triangle) is a triangular area bounded Atlantic ends by Miami, Bermuda and Puerto Rico. Legend has it that many people, boats and planes have mysteriously disappeared in this area. How many have disappeared, however, depend on who is doing the locating and counting. Triangle size varies from 500,000 square miles to three times more depending on the author's imagination. (Some include the Azores, the Gulf of Mexico and West Indies in the triangular.) According to some mystery to the time of Columbus. Even so, estimates vary between 200 and 1000 incidents in the last 500 years. Howard Rosenberg claims that in 1973 the U.S. Coast Guard responded to over 8000 requests for assistance in the area and that more than 50 ships and 20 aircraft sank in the Bermuda Triangle in the last century.