If you're on a budget, opt for Don Lulo's Nauyaca Waterfalls, which costs just $10 per person to hike and $5 for parking. From the parking lot, it's a hot, sticky 2-mile walk to the falls.

A trip to Nauyaca Waterfall is easily among the top things to do in Costa Rica for an unforgettable vacation. Getting there is an adventure in itself, with winding roads and four miles of hiking ...