williamsburg once looked like this, an american treasure. >> the u.s.s. williamsburg, president truman's new flag ship. >> it made history as truman's presidential yacht, easing him away from the stresses of washington during his seven tumultuous years in washington. >> the rebuilding of europe, of japan, all took place, his decisions were made aboard the presidential yacht williamsburg. >> reporter: but it wasn't all business. truman relished the comradery and straight talk. in the summer of '46, truman took his first vacation as president. a two-week cruise on the williamsburg. initially along the eastern seaboard, but heavy storms made him change course and head south to bermuda. every detail was front page news. >> this is probably the presidential living room. >> reporter: but the vessel that hosted winston churchill became a ghost ship. plants now grow from its floor boards. the presidential fireplace, disappeared. the gally, barely recognizable. truman's favorite sun deck, twisted debris. after truman, the williamsburg fell on hard times. eisenhower didn't want it. it was