<p>Narrow sandstone pillars, some over 650 feet high, pierce Zhangjiajie National Forest Park in Hunan Province, China. The park is one of several within the Wulingyuan Scenic and Historic Interest Area, a UNESCO World Heritage site.</p>

Zhangjiajie National Forest Park, China

Narrow sandstone pillars, some over 650 feet high, pierce Zhangjiajie National Forest Park in Hunan Province, China. The park is one of several within the Wulingyuan Scenic and Historic Interest Area, a UNESCO World Heritage site.

Photograph by Keren Su, Corbis

Travel 365: Best of April 2013

See the ten most popular Travel 365 pictures from National Geographic.

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