The Huanglong Cave, also known as Huanglong Karst Cave, is one of China’s most spectacular underground wonders, renowned for its vast chambers, stunning stalactites and stalagmites, and vibrant subterranean landscapes. Located in Zhangjiajie, Hunan Province, this natural marvel spans over 30 kilometers (though only a portion is open to visitors), making it one of the longest karst caves in Asia. Formed over millions of years through geological processes, the cave features mesmerizing calcite formations, underground rivers, and illuminated passages that create an otherworldly atmosphere. Designated a UNESCO Global Geopark and a national AAAAA-rated scenic spot, Huanglong Cave offers a unique blend of natural beauty and cultural heritage, attracting millions of visitors annually.