You May Not Know These 12 Incredible Secrets About Mount Rushmore In South Dakota

Recently, Nick Clifford – the only living carver of Mount Rushmore – celebrated his birthday, which got us thinking about his magnificent monument and how it continues to stand the test of time. Since times are vastly different now than they were in the early to the mid-20th century, we wondered just what went into carving Mount Rushmore, which is how we uncovered these 12 incredible secrets you may have never known:

How many of these tidbits did you know? Do you know any other fascinating secrets? Let us know in the comments! For even more information on the aforementioned Hall of Records, click on This Super Secret Spot In South Dakota Is Being Called One Of The Greatest Places In America.