THE GREAT WALL, CHINA

Great Wall of China is a greatest tourist attraction in the world. The longest wall in the world, it is an awe-inspiring feat of ancient defensive architecture. Its winding path over rugged country and steep mountains takes in some great scenery. The Great Wall is the building project with the longest duration and greatest cost in human lives, blood, sweat and tears. It deserves its place among "the New Seven Wonders of the World" and the UNESCO World Heritage Sites in China.

Can You See The Great Wall of China from The Moon? The myth of being able to see the Great Wall from space originated in Richard Halliburton's 1938 (long before humans saw the earth from space) book Second Book of Marvels said that the Great Wall of China is the only man-made object visible from the moon. From a low orbit of the earth, many artificial objects are visible on the earth, such as highways, ships in the sea, railroads, cities, fields of crops, and even some individual buildings. While at a low orbit, the Great Wall of China can certainly be seen from space but it is not unique in that regard.

However, when leaving the earth's orbit and acquiring an altitude of more than a few thousand miles, no man-made objects are visible at all. NASA says, "The Great Wall can barely be seen from the Shuttle, so it would not be possible to see it from the Moon with the naked eye." Thus, it'd be tough to spot the Great Wall of China or any other object from the moon. Furthermore, from the moon, even the continents are barely visible.

Regarding the origination of the story The Straight Dope's pundit Cecil Adams says, "Nobody knows exactly where the story got started, although some think it was speculation by some bigshot during an after-dinner speech in the early days of the space program."