The Osa Peninsula's Cape Matapalo and part of Bosque's 650 acres jut into the sea where the Golfo Dulce meets the Pacific. This aerial shot of Bosque shows the resort's dining pavilion and some ocean-view cabinas. Wildlife-studded rain-forest trails lead to beaches and surfing and snorkeling sites.
Capuchin monkeys may look like wizened old men wearing prayer caps, but they are some of the most supple and active athletes in the rain forest—except when they need a snack.
Toucans and aracaris are easy to spot in the rain forest, and with a good pair of binoculars, visitors can watch the birds' comical bills collecting food.
More than 50 species of butterflies, including the postman butterfly, may be seen in this area.
For three hours before and after low tide, beachgoers can access the extraordinary shore along Cape Matapalo's Pacific side. Here, large tide pools create natural spots for sitting amid the wave action.
The lineated woodpecker's rat-tat-tat is often heard on a rain-forest walk.
Though the scarlet macaw's habitats have been destroyed in much of the world, these parrots thrive in the protected Osa Peninsula rain forest.
Pairing up for life, scarlet macaws perform antics that make them the Desi and Lucy of the rain forest.