The colorful swirls and stripes that characterize China's Rainbow Mountains would have remained hidden without the epic tectonic collision that created the Himalayas.

Nestled in the heart of China's Gansu Province, Zhangye Danxia Geopark, popularly known as the "Rainbow Mountains ... with its vibrant and swirling rock formations, displaying a stunning array ...

TONG YUNSHAN/CHINA DAILY ... sedimentary rocks. Danxia means "the red afterglow" in Chinese, indicating the landscape's dominant rusty red hue produced by iron oxide. Zhangye boasts several ...

Some of the most unique places in the world will leave you in awe, as they seem to belong to a completely different world.