Have you ever seen an underwater forest, a sea of stars or a thunderhead cloud? These are just a few of the beautiful, strange and often deeply mystifying phenomena that can be seen in various remote corners of the globe.
From the deserts of Namibia to the salt flats of Bolivia, from the frozen landscapes of Canada to the Door To Hell in Turkmenistan, we've picked some of the strangest and most magnificent things we could find in a bid to celebrate the world in all its strange glory.
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Be prepared to suspend your disbelief, though, because many of these beautiful photos will show you stuff you've probably didn't know existed. Did you know that frost flowers were a thing, for example? Or that goat trees are real? Whether it's the eerily beautiful frozen blooms in the Canadian Rockies or the light-emitting plankton on the shores of the Maldives in this slideshow that inspire you, here's just a taste of the mysterious beauty of the world around us.
Now see how many of the world's natural icons you can name in our fun travel picture quiz below!
How many of these strange places have you visited?