Mount Rushmore Facts – 49 Interesting Facts About Mount Rushmmore

Interesting facts about Mount Rushmore

Illumination can have a negative impact on the nature such as moths escaping, a new LED lightning system was installed in 2015 to minimize the negative impacts.

Mount Rushmore is granite, which erodes roughly 1 inch every 10,000 years.

There are a number of things being done to preserve Mount Rushmore. It includes installing 8,000 feet of copper wire in 1998 to monitor the hairline cracks.

In 2009, the copper wire is replaced with fiber optic cable.

Mount Rushmore is 1,745 m above sea level and this mountain was chosen because of its quality granite, location, because it faced southeast and enjoyed maximum sun that helped maximizing working hours.

After the sudden death of Borglum. Lincoln spent 7 months on the project and the project ended on October 31, 1941.

There are more than 7 chain hotels near Mount Rushmore.

Mount Rushmore is featured in many movies such as Team America: World Police, National Treasure: Book of Secrets, etc.