At least 4000 feet in the air a three-foot-wide walkway clings to one face of Tianmen Mountain in Zhangjiajie, China, above a rocky ravine. With a glass bottom, the tourist attraction provides a crystal-clear view of where one wrong step could take you.
Rising above the clouds, Mount Fuji, Japan. Fuji-san has long been a sacred mountain. Japanese Buddhists believe the mountain is the gateway to a different world. Mount Fuji, Mount Tate, and Mount Haku are Japan's "Three Holy Mountains.