Costa Ricans use distances from landmarks to guide taxis, delivery trucks, wedding guests, police, and, of course, postmen. Even the head of public works in this hilly capital city says he is forced to use the befuddling system. Why? An almost complete lack of street signs, so those who live there use landmarks for giving directions. The address for a Curves workout studio in the Tibas district, as listed on its website, is 150 meters west of a McDonald’s. That’s just mean. It’s also changing. Local neighborhoods plan to use their history to formalize streets with proper names. Soon, it’ll be harder to get lost in Paradise.