Nanjing is a city with a long history and profound cultural heritage, and there are many interesting places. The following are some suggestions to answer the questions step by step about what is interesting in Nanjing:

Historical and cultural heritage category:

Scenic Belt of Qinhuai River in Confucius Temple: Qinhuai River is known as "the first historical and cultural river in China" and is the mother river of Nanjing. Here you can feel the rich cultural atmosphere and historical details.

Presidential Palace and the historical and cultural block of Changjiang Road nearby: This is the only presidential palace in China, where Sun Yat-sen and Chiang Kai-shek work, including the nearby 1912 block and Jiangning Weaving Museum, the birthplace of Cao Xueqin in Dream of Red Mansions, etc., and you can have a deep understanding of the history and culture of China.

Nanjing City Wall: the largest city wall in the world, including Zhonghua Gate Castle, which shows the brilliant achievements of ancient defense architecture in China.

Xuanwu Lake Scenic Area: the largest royal garden lake in ancient China, including Jiuhuashan Park, Sakura Avenue in Jiming Temple, and so on. You can feel the wisdom and art of the ancients in the natural scenery.

Great Hoonji Ruins Museum: The Great Baoen Temple Pagoda was rated as one of the seven wonders of the medieval world by westerners, and it is a treasure of ancient architecture in China.

buildings of the Republic of China: including the office buildings of various departments of the central government, the former sites of embassies in China and university campuses, etc., you can appreciate the architectural style and cultural features of the Republic of China.

Natural scenery:

Purple Mountain: Beautiful scenery, humanized design, and no admission fee. The top of the mountain can see the whole scenery of Nanjing.

Xuanwu Lake Park: It is also an excellent place for free. You can enjoy the beautiful scenery in the lakes and mountains and enjoy the tranquility and beauty of nature.

Modern entertainment:

Nanjing Museum and Nanjing Six Dynasties Museum: Learn about the history and culture of Nanjing and feel the charm of ancient civilization.

Muyan Riverside Scenic Belt and Yangtze River City Living Room (known as Nanjing Bund, including Yanziji and night tour of the Yangtze River): You can enjoy the beautiful scenery of the Yangtze River and experience the spectacular Yangtze River Bridge here.

Yihe Road Republic of China Mansion (villa group of dignitaries in the Republic of China): This is the villa group of dignitaries in the Republic of China, and you can appreciate the architectural style and life style of that era.

Dabanxiang historical and cultural block in Xi 'nan (including Gan Xi Mansion, the largest residential building in China): A large number of historical buildings and cultural heritages are preserved here, and you can feel the historical and cultural atmosphere of Nanjing here.

The above are some interesting recommendations from Nanjing. Each place has its unique charm and characteristics. I hope you have a good time in Nanjing!