People online love exposing secret rooms. Every so often, a new tale goes viral, featuring someone discovering a hidden room with all manner of creepy implications. But usually these stories are just of homeowners or apartment renters finding the mysterious locations and, while vaguely creepy, are not all that unusual anymore. What you may find more unusual is the number of famous locations that also house secret places.
This is an encore of one of our previous lists, as presented by our YouTube host Simon Whistler. Read the full list!