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.

FORBES: Shiver Me Timbers

Those without a Ferrari or luxury yacht can slurp an Anatolian dondurma (ice cream) from Mado in Bebek Park and watch locals fish on the boats that bob in the harbour.

BBC: The rebirth of Istanbul��s Bosphorus