The hour-long guided tour covers about two and a half acres of underground rooms and passageways -- all hand-built with hand tools.
The investigation into what caused a historic downtown Fresno home to go up in flames is now underway.
It was moving day for a piece of Fresno's history. The Cupola that once sat on the very top of the old county courthouse was moved from a downtown warehouse to it's new home, at the Fresno County Fairgrounds.