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The Zhangye Danxia National Geological Park, also known as Zhangye Danxia Geopark, is located near the city of Zhangye in China's northwestern Gansu province. It covers an area of 510 square kilometres.

The Danakil Depression is the northern part of the Afar Triangle or Afar Depression, a geological depression that has resulted from the presence of three tectonic plates in the Horn of Africa.

The Namafjall geothermal field is located in Northeast Iceland, on the east side of Lake Myvatn. At this area, also known as Hverir, you may see many solfataras.

The Waitomo Glowworm Caves attraction is a cave at Waitomo on the North Island of New Zealand, known for its population of glowworms, Arachnocampa luminosa. This species is found exclusively in New Zealand.

Uluru, or Ayers Rock, is a massive sandstone monolith in the heart of the Northern Territory’s arid "Red Centre". The nearest large town is Alice Springs, 450km away. Uluru is sacred to indigenous Australians and is thought to have started forming around 550 million years ago.

The Grand Prismatic Spring in Yellowstone National Park is the largest hot spring in the United States, and the third largest in the world, after Frying Pan Lake in New Zealand and Boiling Lake in Dominica.

Antelope Canyon is a slot canyon in the American Southwest. It is located on Navajo land east of Page, Arizona.

Salar de Uyuni, amid the Andes in southwest Bolivia, is the world’s largest salt flat. It’s the legacy of a prehistoric lake that went dry, leaving behind a desertlike, nearly 11,000-sq.-km. landscape of bright-white salt, rock formations and cacti-studded islands.