Los Angeles Explorers Club burns calories while seeking out the city’s sexy, seedy side

?I didn’t know that,? I whispered to the guy standing next to me.

I was born in L.A., went to school here and lived most of my adult life here. I thought I knew every inch of this place. But I didn’t know that L.A. in the 1920s was a scandal-ridden oil boom town ruled by organized crime, crooked…