Playboy Mansion

One of the most famous addresses in Holmby Hills, the iconic home of Playboy founder Hugh Heffner has ben featured in popular TV shows like Entourage, Sex and the City, and Curb Your Enthusiasm, and even got its own reality show, The Girls Next Door, on E! from 2005-2009. However, aside from very exclusive (and very expensive) events hosted there, the mansion remains closed to the public.