Key facts about John McCain:   * Republican nominee for the 2008 US presidential election.  * Has an IQ of 133  * Almost flunked out of the Naval Academy, graduating in tâ¦he bottom 0.5% of his class.
$4.8 BILLION: The History Supreme was made with solid gold and is the most expensive yacht in the world. It was reportedly sold to an anonymous Malaysian businessman in 2011. It comes with a glass-covered atrium for dining.
Al Said â $300 million. Another Lurssen masterpiece, the 508-foot Al Said megayacht was commissioned by Oman's Sultan Qaboos in 2006 and launched the following year. The Al Said is the most powerful yacht in the world thanks to its 16,500kW Siemens engines.