Construction Cost: $475 million
Max Speed: 25 Knots
Amenities: Missile defense system, armor plating, anti-paparazzi laser field, gym, spa, jacuzzi(s), elevator, helipad(s), swimming pool, movie theater, beach club(?), conference rooms, beauty salon, dance floor(s), childrens' playroom—oh, and a submarine.
Owner: Roman Abramovich. He started off making dolls with his wife in their apartment, and then basically overnight—through political connections and manipulation—became a Governor of Chukotka, owner of the Chelsea Football Club, and the head of a multinational conglomerate with interests in oil, natural resources, and making people disappear.
Claim to Fame: You can rent this beast for the low, low price of $2 million a week.