1. Spotted Lake, Osoyoos, Canada

Spotted Lake to the west of Osoyoos, Canada. Large “spots” on the lake appear and are colored according to the mineral composition and seasonal amount of precipitation.

2. Rio Tinto, Spain

Rio Tinto, Spain. Its deep reddish hue is due to iron dissolved in the water.

3. Puna Grasslands, Peru

Yareta is a tiny flowering plant in the family Apiaceae native to South America, occurring in the Puna grasslands of the Andes at between 3200 and 4500 metres altitude.

4. Richat Structure, Mauritania

The Richat Structure, also known as the Eye of the Sahara and Guelb er Richat, is a prominent circular feature in the Sahara near Ouadane, west–central Mauritania.

5. Toyama Bay, Japan

Glowing Squid at Toyama Bay, Japan.

6. Fly Geyser, Nevada, USA

Fly Ranch Geyser is a man-made small geothermal geyser located in Washoe County, Nevada.

7. Door to Hell, Turkmenistan

‘Door to Hell’ is a natural gas field in Derweze, Turkmenistan, that collapsed into an underground cavern in 1971.

8. Socotra, Yemen

Dracaena Cinnabari Trees on Socotra, a small archipelago of four islands in the Indian Ocean. Socotra is part of Yemen.

9. Tsingy de Bemaraha, Madagascar

Tsingy de Bemaraha Strict Nature Reserve, UNESCO World Heritage Site in Madagascar.

10. Obir Dripstone Caves, Austria

The famous Obir dripstone caves in Austria.

11: Staffa, Scotland, UK

The Fingal’s Cave on Staffa, in the Inner Hebrides of Scotland.

12. Vatnajökull Glacier, Iceland

Giant Ice Cave under the Vatnajökull Glacier, Iceland.

13. Naica Caves, Mexico

The Naica Caves of Chihuahua, Mexico, is the largest crystal cave ever found.

14. Baikal Lake, Russia

Emerald Ice on Baikal Lake, Russia.

15. Waitomo Caves, New Zealand

The Waitomo Glowworm Caves at Waitomo on the North Island of New Zealand is known for its population of glowworms, Arachnocampa luminosa.