On your final day, visit Tianmen Mountain and Tianmen Cave, located near Zhangjiajie. Start your day by taking the Tianmen Mountain Cableway, one of the longest cable car rides in the world, offering stunning views of the surrounding mountains and valleys. Once you reach the top, explore the various attractions, including the Tianmen Temple, a beautiful Buddhist temple nestled on the mountain. Take a walk along the 'Heaven-Linking Avenue,' a scenic pathway with 99 turns symbolizing the heavenly ladder. Don't miss the highlight of the day, the Tianmen Cave, also known as the 'Gateway to Heaven.' This natural archway is a must-visit, offering breathtaking views of the surrounding landscape. End your trip by taking the escalator down the mountain, enjoying the scenic beauty as you descend.