Agro Eco Museo, Alajuela, Aguas Claras de Upala
Ciencias Naturales, Fundacion CIENTEC, San Jose
La Salle Museum of Natural Sciences, San Jose (minerals, fossils); see also here  
Marco Fidel Tristán National Museum of Jade, San Jose (jade handcrafts); see also here  
Marco Fidel Tristán National Museum of Jade, San Jose
Museo de la Biologia Marina, Heredia
Museums in Costa Rica; see also here  and here  
Museum of Pre-Columbian Gold, Museo del Oro, San Jose (>2,000 handcrafted gold objects); see also here  
National Museum, Collection of Natural Sciences, San Jose (rocks, fossils), see also here  and here  
Parque Nacional Chirripó / Parque Nacional Chirripó: Base Crestones (rock gardens) 
Parque Nacional Marino Las Baulas - Guanacaste
Parque Nacional Palo Verde  
Parque Nacional Volcán Arenal  
Parque Nacional Volcán Irazú  
Parque Nacional Volcán Poás  
Parque Nacional Volcán Tenorio  
Parque Nacional Volcán Turrialba