Nestled in the heart of China's Gansu Province, Zhangye Danxia Geopark, popularly known as the "Rainbow Mountains," beckons adventurers and nature enthusiasts to a mesmerizing landscape like no other.

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

Where dinosaurs once roamed and ancient landscapes whisper stories from hundreds of millions of years ago, the Yunyang Geopark in southwestern China is a monument to the prehistoric past.

TONG YUNSHAN/CHINA DAILY In the Hexi Corridor ... including the Pingshan Lake Grand Canyon and Zhangye National Geopark. The latter is home to what's known as the "Colorful Danxia", where red ...