Maasdam at Rotterdam, Netherlands on July 22, 2008. Photo © Bert Lamers

  Maasdam at Vlaardingen, Netherlands on July 22, 2008. Photo © Cees de Bijl

  Maasdam at Vlaardingen, Netherlands on July 22, 2008. Photo © Cees de Bijl

  Maasdam at San Diego, California on February 9, 2008. Photo © Steve J. Garrod

  Maasdam at San Diego, California on February 9, 2008. Photo © Steve J. Garrod

  Maasdam at San Diego, California on February 9, 2008. Photo © Steve J. Garrod

  Maasdam at Half Moon Cay, Bahamas on November 10, 2006. Photo © Fred Claessen

  Maasdam at Rotterdam, Netherlands on July 18, 2006. Photo © Antoni van Dam

  Maasdam at Rotterdam, Netherlands on August 2, 2005. Photo © Cees de Bijl

  Maasdam at Charlotte Amalie, St. Thomas on August 6, 2000. Photo © Bart de Boer