9 of the world's most extreme lakes
Check out the biggest, deepest, saltiest and all-around strangest bodies of water Earth has to offer.
Hot, hot spring
A geothermal wonder, Champagne Pool in New Zealand reaches an average of 165 degrees Fahrenheit — but the waters below the pool reach a whopping 500 degrees Fahrenheit. Its colorful shore results from deposits of metalloid compounds — so this is not exactly a spring where you’d want to relax.