The world's best wine is a cabernet from Napa Valley. The popular wine app Vivino, which has 35,000,000 subscribers, names Scarecrow Cabernet Sauvignon 2015 its number-one wine. The cabernet is critically acclaimed for its floral and fruity aromas that finish long and layered. It's also very rich and almost port-like in texture. Though the Rutherford winery sells direct to an "exclusive members list," bottles of the vintage can be found online for about $700.