Mount Rushmore's hidden room and other monumental secrets / Calkhoven, Laurie

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!.

"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"--Provided by publisher.