Portland has a barge similar to the one in San Francisco

The plot thickens, the mystery takes a turn, and Google is still not saying much about it all.

Since it was towed into Portland Harbor on a barge earlier this month, a four-story windowless building has been a source of intrigue. Its purpose and its owner’s identity have been kept secret.

Twenty-seven hundred miles away, residents of San Francisco have been puzzled by a four-story windowless building rising from a floating barge at the end of Treasure Island, a former Navy base in the middle of San Francisco Bay.