Vitamin D -- specifically the form D3 -- is the only vitamin your body makes itself. It's fat-soluble, which means your body stores vitamin D in its adipose tissue -- in its fat. And, if you want to be specific about things, this vitamin is actually a hormone.
Sullivan's Castle Island, South Boston, MA, Est. 1951. Castle Island. Located at the end of Carson Beach, on Pleasure Bay in South Boston, Castle Island is a 22-acre recreation site, and the site of Fort Independence. Castle Island was really an island until several land reclamations through the years extended causeways and eventually roadways.
Aerial view of Ship Island, looking east (with West Ship Island in foreground). Ship Island is the collective name for two barrier islands off the Gulf Coast of Mississippi, part of Gulf Islands National Seashore: East Ship Island and West Ship Island. Hurricane Camille split the once single island into 2 separate islands in 1969. West Ship Island is the site of Fort Massachusetts, as a Third System fortification.