An aerial view of camels walking along a road through the salt mines in the Afar Triangle (home to the Danakil Depression) in Ethiopia, one of the hottest places on Earth. About 2,000 camels and 1,000 donkeys pass through every day, transporting salt. Miners work in blistering temperatures that reach up to 140 degrees F. (Joel Santos/Barcroft Images) It's been called the "Gateway to Hell," and has the distinction of being one of the hottest places on Earth, but the...

A view of a diver from beneath swimming in Mexico. (Alastair Scarlett/Caters News) Veteran diver and underwater photographer Alastair Scarlett captured some magical moments in the waters of Maldives and Mexico. He and a team of divers swam through an eerie green light that shone through the waters. It’s a kind of sight one would expect to see in a scene from a sci-fi movie. Capturing the moment, however, wasn’t as easy as it seemed. “The essence of free diving...

A South Korean man enjoy at the "Ice Museum" on August 25, 2016 in Seoul, South Korea. In Seoul's "Ice Museum," people enjoyed the minus 10 degrees Celsius temperature during the scorching heat summer in Korea. During the past weeks, South Korea has experienced record-high heat, with Seoul's average daily high hovering around 35 C and its daily low remaining over 25 C. (Chung Sung-Jun/Getty Images) South Koreans have found a way to beat the heat: go to a frozen...