In 1919, the people of Gandesa, the tiny Catalonian capital city of the Terra Alta region in Spain, combined their wealth and their harvests to build a wine cathedral. It took 48 families only eleven months—a modern-day miracle—to construct a winery that any passing pilgrim would confuse for a church. Perhaps it was a way for them to entice extra blessings on the grapes that fermented in the concrete tanks inside. Or maybe cathedrals were on the mind of the architect Cèsar Martinell, a disciple of famed Catalonian Modernist architects…