When most travelers think of Costa Rica, they picture sunny beaches, tropical rainforests, and endless outdoor adventures. While the dry season is often considered the most popular time to visit, savvy travelers know a secret: Costa Rica's Green Season may be the country's best-kept treasure. From May through November, the landscape transforms into a vibrant paradise. Rain showers nourish the rainforest, rivers and waterfalls flow at their most spectacular, and wildlife becom