Where: Puerto Iguazu, Argentina

Cool Factor: Near the Argentina-Brazil border within easy touring distance of Iguazu Falls, this hostel allows guests to beat the tropical heat with an outdoor swimming pool, and then sign up for a massage afterward. Part of a larger South American chain that has properties throughout Argentina, the Hostel Inn also offers tango and Brazilian dance lessons, Argentinean barbecue twice a week and a long list of optional excursions, including seeing the Falls from a helicopter or touring during the full moon.

Nightly Rates: $91 for a double with private bathroom and air-conditioning

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