The Summer Palace in Beijing is a vast imperial garden and a UNESCO World Heritage Site. It covers an area of about 2.9 square kilometers and features beautiful landscapes, including Kunming Lake and Longevity Hill. The palace complex was originally built in the 18th century and served as a summer retreat for the Qing Dynasty emperors. Visitors can explore various structures, such as the Hall of Benevolence and Longevity and the famous Long Corridor, adorned with intricate paintings. The Summer Palace is renowned for its stunning natural scenery and historical significance, making it a popular destination for tourists and locals alike.