If there's one thing that can really draw me to a wine, it's discovering a unique story behind the bottle. Not every wine is a labor of love, but for those that are, their points of distinction vary drastically from house to house: Vineyard managers growing international grapes like Cabernet Sauvignon versus native varieties like Portugal's Touriga Nacional; winemakers who might choose to ferment wines using natural yeast; wines aged in amphorae rather than the more ubiquitous barrels and stainl