The otherworldly landscape of Lençóis Maranhenses National Park
Spectacular sandscape: Lençóis Maranhenses National Park in Brazil's Maranhão state covers 598 square miles. Dunes are broken up by cerulean lagoons between March and September.
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Undulating dunes: Two rivers carry sedimentary deposits to the Atlantic Ocean, but the deposits are subsequently driven miles inland by high winds in dry season.
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Rain-filled lagoons: Rain forms the freshwater lagoons, which are unable to drain due to impermeable rock beneath the sand. The phenomenon is at its most beautiful from July to August.
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Land of contrasts: The sand and water make for a striking visual juxtaposition on the ground and from the air.
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Remote and undiscovered: Getting to the park is no easy feat, but the park's location means few crowds. Be sure to seek out lesser-visited lagoons.
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A lagoon of your own: Visitors can have a lagoon all to themselves.