Sweden-based designer Eduard Gray, known for sexy concept cars like the Saab 9-3 Mark III, has designed what quite a few people are calling the “Batmobile” of concept yachts: the Xhibitionist. Featuring everything from a triple-copter helipad to an onboard auto showroom, the 246-foot yacht has an inverted trimaran hull and a draft of about 6 feet. Learn more at www.graydesign.se.