Paula Newsome, left, and Marg Helgenberger film a scene atop Circa’s Garage Mahal for the “CSI: …

Paula Newsome, left, and Marg Helgenberger film a scene atop Circa's Garage Mahal for the "CSI: ...

Paula Newsome, left, and Marg Helgenberger film a scene atop Circa’s Garage Mahal for the “CSI: Vegas” third-season premiere. (Christopher Lawrence/Las Vegas Review-Journal)