These incredible pictures look like a bird's-eye view of a faraway alien planet – but they're actually hot springs. The amazing snaps are up-close shots of Iceland's hot springs, and the point-blank pictures produce a breathtaking array of colors and effects. Here: The amazing snaps are up-close shots of Icelandic hot springs. (Photo by Johann Vilhjalmsson/Caters News)

Taking it all in at Trolltunga, a piece of rock which juts horizontally out of a mountain, 700 metres above lake Ringedalsvatnet in Norway. (Photo by Sam Rogers/GuardianWitness)

In this Friday, January 9, 2015 photo, bathhouse worker Omid Riahi, 39, scrubs a man to remove dead skin, at the Ghebleh public bathhouse, in Tehran, Iran. The steamy air and curved tiled walls of Iran's famed public bathhouses, some rinsing and massaging patrons for hundreds of years, slowly may wash away as interest in them wanes. The bathhouses, known as “hammams” in Persian, find themselves in rough financial times as modern conveniences now allow showers and baths in most homes across the Islamic Republic. (Photo by Ebrahim Noroozi/AP Photo)

“It doesn’t look like a relaxing swim in the warm waters of the Bahamas. But for Vincent Canabal it is all in a days work when it comes to feeding his favourite a 16-foot long Tiger shark Emma. The 34-year-old qualified doctor has been diving with sharks since he was just. His passion has taken him around the world”. Barcroft Media via The Daily Mirror. Photo: Sharks fed by Vincent Canabal near Tiger Beach. (Photo by Vincent Canabal/Barcroft Media)

Photographer David Emitt Adams creates tintypes on discarded cans he collects from the Sonoran Desert. In his artist statement, Adams says that some are more than four decades old, which have earned a deep reddish-brown, rusty coloration. (Photo by David Emitt Adams)

In a north London hospital, scientists are growing noses, ears and blood vessels in the laboratory in a bold attempt to make body parts using stem cells. It is among several labs around the world, including in the U.S., that are working on the futuristic idea of growing custom-made organs in the lab. (Photo by Matt Dunham/AP Photo)