We humans have learned to create some rather amazing things, but Mother Nature is no slouch herself when it comes to providing phenomena that astound and intrigue. From the undersea waterfall of Mauritius, to the blood-red rain of Kerala, nature hosts a multitude of spectacular sights. Read on to find out about 20 of the most astonishing.
These peculiar, dagger-shaped ice and snow shards are formed in the Dry Andes at altitudes above 13,000 feet. The penitentes can be anything from just a few inches high up to as much as 16 feet. Interestingly, the 2015 NASA mission to Pluto discovered a very similar phenomenon on that planet’s surface. On Pluto, the formations are composed of frozen methane and can be hundreds of feet tall.