10. NORTH SENTINAL ISLAND

North Sentinel Island is one of the Andaman Islands and an archipelago in the Bay of Bengal which also includes South Sentinel Island. It has an area of about 59.67 square km. The island is in effect a sovereign area under Indian protection.

9. GATES OF HELL, TURKMENISTAN

Gates of Hell is a natural gas field collapsed into a cavern located in Derweze, Turkmenistan. It is in the middle of the Karakum Desert, about 260 kilometres north of Ashgabat, the capital of Turkmenistan. The gas crater has a total area of 5,350 square meter. Its diameter is 69m and its depth is 30m.

8. MADIDI NATIONAL PARK, BOLIVIA

Madidi National Park is situated in the upper Amazon river basin in Bolivia. It was established in 1995. Madidi National Park is a home of more than 8,000 documented species of vascular plants, with the likelihood of many more being discovered.

7. OYMYAKON, RUSSIA

Oymyakon Plateau is a mountain plateau located in the eastern Sakha Republic, in the upper course of the Indigirka River. The plateau is in the area of the famous Oymyakon Depression where record low temperatures are registered.

6. SINABUNG VOLCANO, INDONESIA

Mount Sinabung is a stratovolcano of andesite and dacite in the Karo plateau of Karo Regency, North Sumatra, Indonesia. It is located in relatively cool area on a fertile plateau with mountains bounding the north.

5. DANAKIL DESERT

Danakil Desert is a desert situated in the Afar Triangle. It stretches across 136,956 square km of arid terrain. The area is known for its volcanoes and extreme heat, with daytime temperatures surpassing 50C. The Danakil Desert is one of the lowest and hottest places on Earth.

4. LAKE NATRON, TANZANIA

Lake Natron is a salt lake in Arusha Region in Tanzania. The alkalinity of the lake can reach a pH of greater than 12. The lake is a maximum of 57 km long and 22 km wide. The surrounding area receives irregular seasonal rainfall, a total of 800 mm (31 in) per year. Temperatures at the lake are frequently above 40C.

3. SNAKE ISLAND, BRAZIL

Snake Island is an island off the coast of Brazil in the Atlantic Ocean. The island is small in size only 43 hectares (106 acres) and has a temperate climate. There are so many snakes on an island by some estimates one snake to every square meter of the island.

2. DEATH VALLEY, USA

Death Valley is a desert valley located in eastern California and it is one of the hottest places in the world. Death Valley has a subtropical, hot desert climate with long, extremely hot summers. Death Valley's Badwater Basin is the point of the lowest elevation in North America and at 282 feet (86 m) below sea level.

1. DEATH ROAD

Death Road is a cycle route about 60 km long which links the city of La Paz and the Yungas region of Bolivia. It was considered dangerous because of its steep slopes, narrow single track, lack of guardrails, rain, and fog, and was nicknamed as the "Road of Death".