Costa Rica.

Nauyaca's main pool is the only one of Costa Rica's big falls deep enough to actually swim laps in, and it costs $10-15 USD plus transport from Dominical to reach it.

Costa Rica packs more biodiversity per square mile than almost anywhere on Earth, and its forests are where you'll witness nature's most spectacular show. You'll find yourself walking through ancient rainforests where over 500,000 species call home...