New Jersey News Secret Chamber Inside The Benjamin Franklin Bridge September 11, 2014 / 4:25 PM EDT / CBS News (The secret rooms are hidden inside the bridge's stone "anchorages." Photos by Mike DeNardo, KYW Newsradio 1060) 024 (Photos by Mike DeNardo, KYW Newsradio 1060) 026 (Photos by Mike DeNardo, KYW Newsradio 1060) 022 (Photos by Mike DeNardo, KYW Newsradio 1060) 023 (Photos by Mike DeNardo, KYW Newsradio 1060)