Winemaker Maynard James Keenan (Tool, Puscife, a perfect circle) and the team behind Caduceus Cellars and Merkin Vineyards invite people to experience the Verde Valley as never before, with the Oct. 6. Opening of the Merkin Vineyards Hilltop Winery & Trattoria, and Caduceus Cellars Hilltop Facility and VSC Ventura Room.