As it happens, the future of law enforcement is also extremely interested in the history of the built environment. We just discovered that actor Peter Weller, who you know best as the lovable cyborg crime-fighter, is way into architecture. He's also the host of the History Channel series "Engineering An Empire," examining the ancient construction techniques of civilizations in Egypt, Greece and Rome.

You can hear Weller speak about the show and his favorite LA building--a 1950 Frank Lloyd Wright shopping center that looks like the perfect location for an Old Detroit coke bust--on today's "DnA."