One of BostonSOS' earliest spectacles was a surreal "beach celebration" on the subway back in 2008, when dozens of us dressed up in hula skirts, cabanawear and sunscreen, then rode the Blue Line to the North Shore beaches in the middle of March. We slathered on sunscreen, handed out leis, held limbo competitions, basked in the "sun," and otherwise ignored the fact that it was winter in New England...and that we were, umm, yeah, on the subway.

Fast forward to February 2011 - almost exactly three years later - and there we were again: in bathing suits and sunglasses, riding a Wonderland-bound train on a frigid winter morning, towels in hand and visions of the beach in our heads. Only this time, winter hats replaced sunscreen; scarves replaced leis; and on this biting, 37-degree winter day, we were actually going swimming in the freakin' Atlantic Ocean.

Read more: Winter Ocean Plunge: Recap