A mere four-hour direct flight from O’Hare, San Juan might just rank as the easiest tropical getaway possible. You don’t have to bring your passport, change your money, or speak a different language to navigate this U.S. territory (though locals will definitely appreciate your rusty high-school Spanish, should you choose to use it). You also don’t have to put a hold on your fitness routine. Read the full article for A Sweat Life.