During the rainy season, Salar de Uyuni, the world's biggest salt flat, becomes a gigantic mirror.
This human-made geothermal geyser's orange, red, and green colors make it seem alien. The vivid structures captivate.
The Wave, at Vermilion Cliffs National Monument, is a sandstone structure that resembles frozen waves. Its flowing hues and patterns are surreal.
Socotra Island, the "Galapagos of the Indian Ocean," has strange and indigenous plants. Dragon's Blood Trees and bizarre landscapes give it an extraterrestrial feel.
The Danakil Depression has geothermal activity, neon-colored acidic lakes, and Martian-like salt formations.
This stunning park inspired "Avatar's" floating mountains. Its hazy valleys, towering sandstone pillars, and lush vegetation create an unearthly landscape.
Zhangjiajie National Forest Park, China
From a hot air balloon, Cappadocia, with its fairy chimneys and cave houses, seems like another planet.
Lake Hillier's bubblegum pink color is famed on Middle Island. The lake's alien hue is said to be created by microorganisms.