From one winery to the next along the back-country road that runs through Mendoza, the premier wine-growing region there, Bieler found full-bodied, ripe reds everywhere he looked.

FORBES: Wines for the Weekend

"I'm telling you, malbec is like Michael Phelps, " says Bieler.

FORBES: Wines for the Weekend

Just ask Charles Bieler, winemaker from Three Thieves Wines, whose head was still spinning when he met with us a day after he'd returned from a multi-day visit to Argentina's wineries ( click here to see some of his favorite malbecs).

FORBES: Wines for the Weekend