7. Danakil Depression, Ethiopia
The Danakil Depression is often called one of the most inhospitable places on Earth. Temperatures here frequently soar above 50°C, making it one of the world’s hottest inhabited regions. The landscape is marked by active volcanoes, bubbling lava lakes, and toxic gas emissions, as well as striking acidic springs in neon hues. Despite its alien appearance, the Afar people have managed to survive in this harsh environment, extracting salt from the mineral-laden plains. The combination of searing heat, hazardous gases, and unpredictable terrain makes the Danakil Depression a true frontier for survival.