Spend a day in San Jose; visit the jade or pre-Columbian gold museums, as well as the National Theater. Choose between day trips to La Paz Waterfall Gardens, the Rainforest Aerial Tram on the Caribbean coast, or Isla Tortuga. Head to the Pacific coast (Quepos and Manuel Antonio National Park) for beaches, bird-watching, and other ecotourism activities – you’ll even encounter some nightlife. Top it all off with a trip to Arenal National Park (north of San Jose) to view an active volcano, followed by a dip in the mineral waters at Tabacon, Las Fuentes, or Baldi Hot Springs.