24. The Shilin Stone Forest, Yunnan, China
The limestone towers in the Kunming Stone Forest ("Shilin" in Chinese) are hundreds of feet tall. They pushed up from the seabed millions of years ago to reach such towering heights. Not only is the stone forest considered one of the natural Seven Wonders of the World, but it's actually been called the First Wonder of the World since the Ming Dynasty (1368-1644).
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