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This otherworldly natural wonder sits within one of the most extreme landscapes on the planet, a hydrothermal field of blistering colour hidden in the northern Afar Triangle. Dallol rises from the floor of the Danakil Depression, one of the lowest and hottest inhabited places on Earth, where sulphur springs bleed acid-yellow and toxic green across mineral terraces, and salt canyons crack beneath a merciless sun.

Framed by potassium salt pillars, bubbling acid pools and a shifting crust deposited by ancient seas, the terrain feels less of this world than any other, drawing comparisons to volcanic moons and Martian plains. Nearby, the endless white expanse of the Karum salt flats meets nomadic Afar caravans still mining salt by hand, exactly as their ancestors did centuries ago.

Travel here is an expedition rather than a visit: armed escorts, 4×4 convoys and camel caravans are essential, and temperatures regularly exceed 45°C. For those who make the journey, the reward is an encounter with raw geological power and human resilience found nowhere else on the map.