Fodor's Expert Review Carara National Park

Sparse undergrowth here makes wildlife easier to see than in most other parks, although proximity to major population centers means that tour buses arrive regularly in high season, prompting some animals to head deeper into the forest. Come very early or late in the day to avoid the crowds. Bird-watchers can call the day before to arrange admission before the park opens. If you're lucky, you may glimpse armadillos, basilisk lizards, coatis, and any of several monkey species, as well as birds such as blue-crowned motmots, chestnut-mandibled toucans, and trogons. A network of trails takes 15 minutes to four hours to navigate. (Many of the trails are wheelchair accessible.) The park has guides, but you must arrange their services in advance. Camping is not permitted.