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Hot Tub of Despair: The deadly ocean pool that traps and pickles creatures that fall inThis stagnant brine pool at the bottom of the Gulf of Mexico is so toxic it kills and embalms any crabs and amphipods that are unlucky enough to stumble into it.
rivers-oceans -
Blood Falls: Antarctica's crimson waterfall forged from an ancient hidden heartIron-rich waters buried beneath Taylor Glacier in East Antarctica are sporadically released in what looks like a bloody mess — but the so-called Blood Falls aren't as gruesome as they first appear and sound.
antarctica -
Eye of the Sahara: Mauritania's giant rock dome that towers over the desertThe Eye of the Sahara, also known as the Richat structure, stands out like an oversized ammonite among the sand dunes of the Sahara desert in Mauritania.
geology -
China's 'heavenly pits': The giant sinkholes that have ancient forests growing withinChina's southwestern karst landscape is pockmarked with dozens of enormous sinkholes that look like they were made with a cookie cutter — and scientists keep finding new ones.
geology -
Snake Island: The isle writhing with vipers where only Brazilian military and scientists are allowedSnake Island was isolated from the Brazilian mainland at the end of the last ice age, trapping Earth's only known population of highly venomous golden lancehead pit vipers on a rock in the Atlantic.
planet-earth -
Fairy Chimneys: The stone spires in Turkey that form 'the world's most unusual high-rise neighborhood'Turkey's magical "fairy chimneys" in Cappadocia were carved out of an ancient volcanic landscape over millions of years before humans turned them into hiding dens.
middle-east -
Cave of Crystals: The deadly cavern in Mexico dubbed 'the Sistine Chapel of crystals'The Cave of Crystals in Chihuahua, Mexico, is buried almost 1,000 feet (300 meters) beneath Earth's surface and contains giant gypsum crystal beams that are up to 37 feet (11 m) long.
geology
