The Great Wall of China is an impressive man-made structure located mainly in northern China, stretching 15 provinces/regions. Over 10 million people visit the structure every year to see just how extraordinary it really is. With the wall over 2,000 years old, numerous myths and legends about the wall have been conjured since its construction.

One of the biggest misinterpretations of the Great Wall is that it can be seen from space. Unfortunately, NASA busted this myth after numerous missions to space by astronauts from countries all over the world stated they could not see the wall. The myth that the Great Wall is the only human artifact on Earth visible from the moon was also deemed untrue.

There are numerous other myths about the Great Wall of China that still persist. Here, we've listed 15 myths surrounding the Great Wall of China tourists need to know.

15 The Great Wall Successfully Kept Out Invaders

According to Travel China Guide, the Great Wall of China was built as a military defensive line to resist invasions from nomadic tribes. But many of the country's enemies managed passage across the barrier like the Manchurian invasion that brought down the Ming dynasty.

14 The Great Wall Was Built In A Year

The Great Wall was not built in a year, in fact, it took more than 2,500 years to finish construction and was the combined efforts of many states and dynasties in history, says Travel China Guide. The construction of the wall began in the 7th century with the Chu State and lasted until 1878 in the Qing Dynasty.

13 The Wall Is One Long Continuous Line

The Great Wall of China isn't one long continuous wall but a 20,000 kilometer collection of walls which begins in the east at Shanhaiguan in Hebei province and ends at Jiayuguan in Gansu province in the west. And, is isn't just walls; there are fortresses and watchtowers, too.

12 The Great Wall Can Be Seen From Space

There is a common myth that the Great Wall of China can be seen from space and it has been proven untrue thanks to NASA satellite images, according to The Travel. You cannot see the Great Wall with the unaided eye, even from low Earth orbit. Which means you can't see it from the moon either.

11 The Wall Was Built For Beating The Mongols

China did not build the wall to keep out the Mongols. The earliest walls were built between 500-700 B.C. to defend against northern nomadic tribes. It wasn't until the 11th century A.D. that the Mongols gained power and began raiding China and in the 13th century when Genghis Khan's army invaded, leading to 100 years of Mongol rule.

10 Work Has Been Done To Restore Some Parts Of The Wall

According to Mental Floss, there are a remaining 13,171 miles of the Great Wall and it is continuing to disappear. Erosion, earthquakes, tourists and even villagers taking bricks and stone from the wall to build their own structures are harming the wall.

9 The Wall Is Just Made Of Earth And Stone

Building materials like earth and stone were used to build this magnificent structure but there was also one more unlikely material used. According to Mental Floss, glutinous rice more commonly known as "sticky rice" was used into the mortar recipe, which explains the wall's strength.

8 The Wall Was Built Solely By Soldiers

The Great Wall was constructed and maintained by convicted criminals during the Qin Dynasty, says Mental Floss. The construction by criminals was like an extreme version of today's community service. Work was very dangerous and it was estimated that some 40,000 people lost their lives working on it.

7 All Of The Great Wall Is Already Discovered

According to Mental Floss, there have been sections of the wall that weren't discovered until 2012! Archaeologists have located northernmost sections that have yet to be identified in the past decade that are currently in present-day Mongolia.

6 The Wall Was Only Used To Stop Invasions

According to Travel China Guide, there is so much more to the Great Wall than its impressive collection of walls. Travelers will find gates, moats, ramps for horses, storage rooms for food, supplies and artillery and drainage systems to collect water. There are also numerous fortresses and towers.

5 A Dragon Determined The Course Of The Wall

A legend states that a helpful dragon traced out the course of the Great Wall for the people who were building the wall, says Fact Retriever. The builders followed the dragon and used his tracks to map out which way the wall would go. Of course, this is just a myth.

4 The Great Wall Of China Is Free From Any Tragedies

The wall took over 2,000 years to build between 770 B.C. and 1633 A.D. Not only is it called The Great Wall, but it's also known as "the longest cemetery on earth" because so many people lost their lives while constructing it. A reported one million people were estimated to have perished while building the wall, confirms Fact Retriever.

3 It Isn't Exactly How It Looks In Photos

People who have never visited the Great Wall of China see images of a grand wall that stretches for miles. While still extremely impressive, the wall is in dire shape. Mental Floss states that natural weathering and "human-imparted erosion" may result in the disappearance of parts of the wall by 2040.

2 The First Emperor Of Qin Was The One To Build the Great Wall

Emperor Qin Shihuang is known as the first man who ordered to build the Great Wall. However, he was the man who commanded to connect and extend the separate walls that were already built to create a military defensive line. The first person to build the walls was a duke of Chu State from 770 -221 B.C.

1 The Great Wall Of China Is A World Wonder

Despite being one of the most impressive structures on earth, the Great Wall of China isn't on the list of World Wonders, which includes sites like The Great Pyramids of Egypt and the Hanging Gardens of Babylon. However, in 2007, it was voted as one of the "New 7 Wonders of the World" alongside the Taj Mahal and Machu Picchu.