Beach to Andes in a day, pack for both, plus a swimsuit on top.
Rio, Salvador, and the Amazon, beaches at noon, açaí at dusk, samba after dark.
Santiago, Atacama, Patagonia. Driest desert, wine valleys, and Torres del Paine winds.
Cartagena, Medellín, Bogotá. Caribbean salsa, eternal-spring afternoons, and the world's best coffee at every breakfast.
Lima ceviche, Cusco at altitude, Sacred Valley sunrise, and the train to Machu Picchu.
Buenos Aires, Mendoza, Patagonia. Tango nights, Malbec afternoons, and glaciers at the end of the world.