This is an unoccupied, turn of the century warehouse located on Mare Island near the Mare Island Naval Shipyard in California.
It has been used by the Mythbusters as a shooting location for multiple episodes, including 'Zombie Special', 'Duel Dilemmas' and 'Star Wars Special'.
TV Locations, Abandoned
Links: en.wikipedia.org, go.discovery.com, go.discovery.com, go.discovery.com
By: nic