Download or read book Mount Rushmore's Hidden Room and Other Monumental Secrets written by Laurie Calkhoven and published by . This book was released on 2018 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Did you know that President Franklin Roosevelt had a secret train station in New York City? Or that there's a hidden room inside Mount Rushmore? Unearth secrets about these monuments and more in this book about historical places! Includes reproducible quiz at the end of the book." --