World most expensive yacht

World most expensive yacht [PHOTOS\VIDEO], The largest and world most expensive yacht in the world is a staggering 590 feet long. If you are struggling for a Christmas gift idea for the Rich Lister in your family, Howabout a multimillion dollar yacht?

Ultra-expensive yachts account for eight of the 10 most expensive purchases in history.

The most expensive yacht of all time was purchased by United Arab Emirates President Sheikh Khalifa for $627 million. Go here for more including photos and video.