San Jose Tropical Rainforest Adventure including Chocolate Tasting. This tour combines the Costa Rican delights of chocolate tasting and wildlife encounters all in a single, fun-filled day! Visit La Selva Biological Reserve, which claims UNESCO Biosphere Reserve status and provides great opportunities to observe animals and birds in their natural habitat. Get your chocolate fix at a tasting of locally made cacao products while learning about the fascinating history and cultivation of the cacao bean in Central America. Book and Save 20%! San Jose Tropical Rainforest Adventure including Chocolate Tasting.