Franklin Delano Roosevelt's uncle John was one of the founders of the Hudson River Ice Yacht Club in 1885, and his 48-foot Icicle is still on display in the Hudson River Maritime Museum in Kingston, N.
Its depths hold anywhere from 6, 000 to 8, 000 shipwrecks, according to Lawrence Babits, professor emeritus and retired director of maritime studies at East Carolina University in Greenville, N.