Going, Going ...

beach pajamas, circa 1934                                  Hulton Archive/Getty Images

Ostend, Belgium, July 1938                                       STAFF/AFP/Getty Images

The history of the bathing suit, from its first appearance in the late 1800s, to its practical disappearance in more current times (though I could see those cool beach pajamas making a comeback) (story, slideshow): http://www.weather.com/travel/rare-vintage-beach-photos-20130501