This is the Kannesteinen rock of Oppedal, Norway. Shaped by thousands of years of ocean waves, the polished mushroom rock is a popular local stop for tourists.

This is a beautiful example of what you can accomplish when you have a whole lotta time. Also, the ocean is powerful!

Want to read more about interesting rock formations? Check out these stories here on MNN:

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Shea Gunther ( @sheagunther ) is a podcaster, writer, and entrepreneur living in Portland, Maine. He hosts the popular podcast "Marijuana Today Daily" and was a founder of Renewable Choice Energy, the country's leading provider of wind credits and Green Options. He plays a lot of ultimate frisbee and loves bad jokes.