For this week's installment of #TBT, we focus on some of the obscure, shady, and downright criminal goings-on of the San Francisco yesteryear.

The Barbary Coast, for instance, was full of vice. Bootlegging and gambling were commonplace in speakeasies during Prohibition, and a slew of shocking crimes—before and since—have made spines tingle all across America.

The First Topless Dancer

  

via Wikipedia

In 1964, go-go dancer Carol Doda was given one of designer Rudi Genreich's monokinis. The bathing suit left both breasts exposed, so when Doda perfomed in it, she became the first topless dancer—and an icon.