Mother Nature is full of surprises. From a landscape of bubbling, gurgling mud volcanoes to swirling, blue walls hidden in a cave, the world is dotted with spectacular, natural oddities that may seem too strange to be real. But they are, indeed, real.

Many of the world's most amazing sights can be found in the vastness of China.One of its natural treasures is the in Hunan Province. With its deep canyons, majestic waterfalls, and sandstone-quartz pillars towering over 650 feet high, the site looks straight out of 3D science-fiction film. So it's no surprise that one of the park's rock formations—the 3,544-ft Southern Sky Column—inspired the fictional world of "Pandora" in James Cameron's blockbuster film "Avatar."

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In Argentina, near the border with Bolivia, the is a sight that many describe as magical and unreal."They are a range of wonderful colors and sometimes don’t look real," photographer Kevin Zaouali, who has captured surreal images of the natural wonder, told Caters News. And the mountain range's remoteness adds to its air of mystery. Not many tourists visit the Hornocal mountains because the narrow, gravel road that leads to the area is inaccessible by bus.

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Perhaps more accessible, but just as surreal, is the Split Apple rock formation in New Zealand. A popular tourist attraction in the Tasman Bay, the rockis made of granite and is in the shape of an apple which has been cut in half.The cleft to produce two sides of the "apple" was a natural occurrence, but it is unknown when this happened, , according to International Travel News.

View the slideshow above to see and learn more about the world's strangest natural wonders.

This article was originally published on February 17, 2015 and updated September 16, 2016.

MORE FROM WEATHER.COM: World's Weirdest Bridges

1. Lucky Knot Bridge, Changsha, China

Aerial view of Chinese women displaying cheongsams on the Lucky Knot pedestrian bridge in Changsha city, central China's Hunan province, on October 23, 2016. (Imaginechina via AP Images)