A San Francisco couple unearthed a remarkable 150-pound limestone sculpture in their Russian Hill backyard, sparking a mystery with possible ties to artist Ralph Stackpole.
https://www.foxnews.com/travel/stunned-couple-unearths-150-pound-mystery-hidden-beneath-backyard-decades
https://www.foxnews.com/travel/stunned-couple-unearths-150-pound-mystery-hidden-beneath-backyard-decades