This Lesser-known National Park Feels 'Extraterrestrial' With Bone-white Sand Dunes and Sky-blue Lagoons—Here’s What It Was Like to Visit In the northern reaches of Brazil, the unique and fragile ...

Lençóis Maranhenses sits at the intersection of three biomes—a rare overlap that supercharges biodiversity. Across 350 square miles of dunes, the rainy season brings thousands of crystal blue lagoons ...

As a visitor sets eyes on the brilliant pools of paradise that characterize Brazil’s Lençóis Maranhenses National Park for the first time, it wouldn’t be out of line to assume hallucination. Dazzling ...

After the rainy season, the shifting dunes of Lençóis Maranhenses National Park in northeastern Brazil become pockmarked by ephemeral lagoons that dry up as the year wends on. Photographer George ...