MEXICO CITY — Even though it's illegal, bars of acitrón are stacked in nearly every stall at the Merced market in Mexico City. They look like lemon bars. But they're pieces of barrel cactus that have ...

Grapevines aren’t the only plants to flourish in the abundance of sun along Germany’s southern wine route. One area in particular is known as “cactus country” because of the more than 1,000 varieties ...