President Franklin Roosevelt had a secret train station in New York City, and there's a hidden room inside Mount Rushmore. Readers will unearth secrets about these monuments and more in this book about historical places. Full color.

Laurie Calkhoven is the author of many books, including George Washington: An American Life and Harriet Tubman: Leading the Way to Freedom. She lives in New York City. Visit her at LaurieCalkhoven.com.
Valerio Fabbretti is passionate about drawing, comic books, animation, and spaghetti westerns. He has illustrated children's books and comic books in the US and in Italy. Valerio was born in Rome, but studied illustration in San Francisco, where he is currently living and working.