Lençóis Maranhenses, in northeastern Brazil, looks like a desert but isn’t quite what you’d expect. Here, sand dunes stretch for miles, but after the rainy season, freshwater lagoons fill the spaces between, creating a landscape that’s more “water park” than wasteland. Ever wondered how a place can be both a desert and a lagoon hotspot?

The secret is timing. The region gets heavy rain from January to June, but the sand doesn’t absorb water, so it pools up in the valleys. Some lagoons even host tiny fish that hatch from eggs left behind in the dry season—nature’s own version of a surprise update.

Best time to visit? June to September, when the lagoons are full and the weather’s steady. Fly into São Luís, then it’s a four-hour drive or bus to Barreirinhas, the main gateway to the park. Local tours handle the rest, usually by 4x4 or boat.

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