The city known for the historic Great Wall is Beijing, the capital of China. The Great Wall is an iconic structure built to protect against invasions and to control trade routes. It stretches over 13,000 miles and showcases impressive architecture and historical significance. Many sections of the wall are accessible from Beijing, making it a popular tourist destination where visitors can hike along its ancient pathways and take in scenic views. The site is also a UNESCO World Heritage Site, emphasizing its historical and cultural importance.