The 1956 Chrysler Norseman was a concept car built by Ghia. Unfortunately, Ghia chose the ill-fated ocean liner the Andrea Doria to deliver the car, and car and ship remain at the bottom of the sea off teh coast of Massachusetts.

See the whole article on Hagerty's website http://www.hagerty.com/classic-car-articles-resources/Features/News/All-Articles/2012/05/24/Legendary-Lost-Cars?utm_source=ExactTarget&utm_medium=email&utm_term=&utm_content=