The document lists the top 10 activities to do in Costa Rica which include surfing, sport fishing, zip lining, canopy tours, kayaking, scuba diving, snorkeling, rafting, horseback riding, visiting museums, and trying local food. Nature and adventure activities like surfing, fishing, zip lining and canopy tours are highly recommended as well as water sports like kayaking, scuba diving and snorkeling. Other outdoor activities listed are rafting and horseback riding along with visiting museums and sampling Costa Rican cuisine.