U.S. Markets closed
1 / 7

Google's Barge in the Bay

A security gate is seen in front of a barge, at left, on Treasure Island in San Francisco.

Google's Barge in the Bay


The barge is one of three mysterious floating structures that have sparked online speculation. The secretive structures, two in San Francisco and one Portland, Maine, are registered with a Delaware corporation as BAL0001, BAL0010, BAL0011 and BAL0100.