True Blue Zones: Ikaria, Greece

Tourism in the Greek island of Ikaria got a big boost when scientists determined that Ikaria was a blue zoneā€”an area with a large number of long-lived inhabitants

True Blue Zones: Costa Rica

The Nicoya Peninsula is a fertile rectangle of land on the Pacific coast of Costa Rica. Since the arrival of the Spaniards, the region has hosted herds of beef and dairy cattle. Many tropical fruits thrive there, including citrus, mango and papaya.