What's Inside Mount Rushmore's Not-So-Secret Chamber?

Plus, a secret void in the Great Pyramid and other hidden secrets.

Happy Thursday Hidden passageways seem to belong mostly in books and movies. But have you ever wondered if you could install one in your own home? If your inner Nancy Drew or Hardy Boy has ever wanted a hidden passageway adventure, then check out our article to learn more. Read on to discover the hidden secrets of the Eiffel Tower, the Great Pyramid and more. Shhh! Don't Tell. There's a Secret Apartment Atop the Eiffel Tower By Laurie L. Dove Did you know that the iconic monument in the French capital city is topped by a secret apartment? But who built it, and why? Read more >> Is There a Secret City Under Walt Disney World? Sure, we all know Walt Disney World is awesome above-ground. But what goes on underneath all the attractions? Read more >> How Cosmic Rays Revealed a Secret Void in the Great Pyramid Old as it is, Khufu's Pyramid still holds secrets that scientists are trying to unlock. Read more >> What's Inside Mount Rushmore's Not-So-Secret Chamber?   Behind the giant faces on Mount Rushmore in the Black Hills region of South Dakota, there lies a chamber that's off-limits to the public. What's in there? Read more >> Oak Ridge, Tennessee: America's Secret Atomic City The city of Oak Ridge in rural Tennessee was built by the U.S. government for one very specific reason. Read more >> Does the U.S. Military Maintain Secret Underwater Bases? Underwater military bases sound super-cool, but what are the odds they truly exist? Read more >> Queen Nefertiti in Secret Tomb Behind King Tut? It's Not That Simple   Controversies surround not just the possible existence of hidden chambers, but even the ability of Egyptologists to undertake the search for them. Read more >> Riddle of the Day! Paul's height is six feet, he's an assistant at a butcher's shop, and wears size 9 shoes. What does he weigh?   Check Your Answer Copyright © 2021 HowStuffWorks, All rights reserved. You are receiving this email because you opted in at our website howstuffworks.com Our mailing address is: HowStuffWorks 1501 Main St Suite 101 Venice, CA 90291 Want to change how you receive these promotional emails? You can update your preferences or unsubscribe from this list