Lençóis Maranhenses National Park in Brazil

Enter another realm at the Lençóis Maranhenses National Park in Brazil Visitors who make it to this remote corner of north-eastern Brazil are rewarded by an otherworldly environment of rolling sand dunes and crystalline lakes. The journey from São Luís to Barreirinhas takes about three hours. From here, tours into the park by boat and 4×4 can be arranged. The lagoons are best visited while at their fullest, between July and September.