The relic was likely a votive altar fixture. A 3,000-year-old statuette molded in the image of a goddess has surfaced at Italy’s underwater Gran Carro Archaeological Park, about 50 miles north of Rome, according to the Superintendency of Archaeology, Fine Arts, and Landscape, which is part of Italy’s Ministry of Cultural Heritage. This six-inch relic turned up while divers were paving an underwater pathway through the Iron Age ruins beneath the east end of Lake Bolsena (whose waters once inspired a suite of Cy Twombly paintings). The pathway in progress will host visitors to the site and is part...