2. Huangdi Mausoleum, the mausoleum of the ancestor of the Chinese nation, Xuanyuan Huangdi, is the only Huangdi Mausoleum in historical records, the first batch of national key cultural relics protection units, the first batch of national AAAAA-level tourist attractions, national scenic spots and the first batch of national patriotism education demonstration bases. Known as "the first mausoleum in the world", it is also known as "the first mausoleum in China and the first mausoleum in the world". Located in Beiqiao Mountain, huangling county, Yan 'an City, Shaanxi Province.