May 29, 2014 4:58 am Undergound Tunnel Discovered Construction workers accidentally stumbled upon the tunnel in Central Pennsylvania. What was it used for? US & World Videos 0:19 Police search for man they say installed skimming device on Bucks County ATM 9:52 Gun pulled on Pa. pastor: The Lineup 0:51 NJ state trooper dies during training exercise 0:28 Stevie Wonder offers advice to Lincoln University grads 2:03 Members of Philadelphia's Jewish community gathers for Holocaust Remembrance Day service