1. Mount Rushmore and it’s Secret Chamber, USA:
Mount Rushmore has not only the sculptures of the four presidents, but also it’s own secret room. The USA’s most important documents, including the Declaration of Independence are kept safely hidden behind a granite capstone which weighs 1200 pounds.
2. Gustav Eiffel’s Private Apartment, Paris, France:
There is a secret apartment on the third floor of the iconic Eiffel Tower. This apartment belonged to Monsieur Eiffel himself. Here, he greeted the esteemed guests, one of whom was Thomas Edison. The room where the mannequins of Eiffel and Edison sit is now open to public.
3. The tunnels beneath Las Vegas Strip, Las Vegas, USA:
Beneath the prime entertainment streets of Las Vegas lies a wide system of tunnels, which is home to hundreds of homeless people. It’s always dark in here, but one can see clear signs of human presence once they turn the flashlight on. Things like clothes, furniture, and all types of everyday items can be found here.