You Won't Believe These Astounding Nature Photos Are Real

Ice Cave

Ice caves are one of Iceland's most popular tourist attractions. It is impossible to access these caves without a trained tour guide as they can be incredibly dangerous. The natural ice waves are constantly shifting, meaning that they look different on a day-to-day basis. Ice caves can be white, blue, or even black.

The More You Know

The last movie ever rented at a corporate Blockbuster was "This Is The End" at a store in Hawaii.
There's a word for tapping someone on the opposite shoulder from behind to fool them.
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Hippos have the largest mouths of any animal on land.

Post originally appeared on Upbeat News.