The Great Wall, or Chang Cheng in Chinese, is massive. It begins in the east at the Yellow Sea, travels near China’s capital, Beijing, and continues west through numerous provinces. For thousands of miles, it winds like a snake through China’s varied terrain. Smaller walls extend from the main wall. According to conservative estimates, the Great Wall’s length is approximately 2,400 miles, its thickness ranges from 15-30 feet wide, and it reaches in height to about 25 feet. For many centuries, the Great Wall has been considered one of the world’s wonders (Turnbull & Noon, 2007).