Perini Navy may have created the largest yacht of all time. Created for multi-millionaires, the yacht Maltese Falcon has been recently sold for $ 100 million. This boat uses the innovative sailing system DynaRig. It consists of three constantly rotating masts, which hold 15 sails. The maximum speed of the boat is of about 21 knots. Maltese Falcon is able to cross the Atlantic in just 10 days!