A thundering wall of water on the Brazil–Argentina border — hundreds of individual falls spread across nearly three kilometres of jungle, culminating in the vast horseshoe chasm of the Devil's Throat.
Los Glaciares National Park, Santa Cruz, Argentina
A vast, active glacier in Argentine Patagonia whose towering blue ice face calves thunderously into a lake — one of the few large glaciers on Earth that has stayed roughly in balance rather than sharply retreating.
The largest tropical rainforest on Earth — a continent-spanning sea of green threaded by the mighty Amazon River, holding a staggering share of the planet's species and helping regulate the world's climate.
The driest nonpolar desert on Earth — a surreal high-altitude landscape of salt flats, sculpted dunes, geyser fields, and flamingo-dotted lagoons, under some of the clearest night skies anywhere.
The signature landscape of Chilean Patagonia — three sheer granite towers rising above windswept steppe, glacial lakes, and hanging glaciers, roamed by guanacos, condors, and pumas.