When Kawah Ijen volcano in Indonesia erupts, it looks like it’s spitting out bright blue and purple lava. In Racetrack Playa, California, rocks about as heavy as a horse are moving around on their own and leaving trails behind. Once a year, just for a few moments, a waterfall in Yosemite turns into a firefall. There are underwater lakes and rivers in the ocean. 

Isn’t that amazing? We’re mired in our daily lives and don’t even realize how many astonishing things happen around us every day. What were 60,000 jellyfish doing in space? When and why was Niagara Falls dry? Where can you see a green sunset and a flowering desert? Let’s dig into some of the Earth’s mysteries and look at some extraordinary things that ever happened on our planet!

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