Corcovado National Park, Costa Rica

Spanning nearly half of the Osa Peninsula, Corcovado National Park is one of the most biologically diverse places on the planet. It's home to 500 species of trees and an equally astounding variety of wildlife, including tapirs, jaguars, giant anteaters, harpy eagles, sloths, and largest population of scarlet macaws in Costa Rica. Nature lovers can embark on multi-day excursions to explore the lush rainforests, rivers, mangrove swamps, and beaches.