On this week's Mad Men—spoiler ahead!—Roger Stirling attends an LSD party hosted by a pair of psychedelic enthusiasts likely modeled after Timothy Leary, the LSD "pioneer" who holed up on a private estate in upstate New York. That mansion, known as Daheim, is now owned by real estate broker and blogger John Foreman, who has documented the home and grounds. [Big Old House]
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