On the second day, dedicate your time to exploring the Tianmen Mountain National Forest Park. Start your day by taking the Tianmen Mountain Cableway once again to reach the mountaintop. From there, embark on a scenic hike along the various trails in the park. Discover the beauty of the lush vegetation, unique rock formations, and cascading waterfalls. Don't miss the opportunity to visit the Glass Skywalk, a transparent pathway that offers a thrilling experience as you walk above the stunning landscape. For adrenaline junkies, try the world's longest mountain escalator, the Tianmen Mountain Glass Plank Road. This thrilling attraction will give you an adrenaline rush as you walk on a glass pathway attached to the cliffside. After a day of exploration, head back to Zhangjiajie City and indulge in some local cuisine.