Warming up in the Arenal hot springs in Costa Rica.
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Whitewater rafting, down rivers such as the Pacuare, is a popular activity for visitors to Costa Rica.
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Horseback riding is a common activity in Costa Rica -- these riders are guests of the Punta Islita resort in Guanacaste.
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Costa Rica's premier attraction is its great outdoors, which many visitors experience via organized trips with outfitters such as Austin-Lehman Adventures.