9/20. Hunan, China – Tianmen Mountain Road
At the Hunan province in China sits the beautiful city – Zhangjiajie where one of the most beautiful mountain forest parks reside, particularly the Tianmen Mountain National Park. Within this park is the formidable layered mind-blowing Tianmen Mountain. This road cuts through the Tianmen cave and there’s even a cable car which you can access to reach the top of the mountain. The layered alpine roads also feature 99 bends that reaches the top of the mountain.