10.KFC’s original secret recipe signed by Colonel Sanders is kept into one of the vaults inside the KFC’s Louisville headquarters. Entry is strictly prohibited for the obvious reasons.
11.Room 39 is a secret headquarter of North Korea’s underground activities. Everyone knows how secretive the North Korean government is. So its obvious one can’t enter the place at all.
12.One can’t enter the Chernobyl exclusion zone without the permission from the government of Ukraine. The place is one of the most radioactively contaminated areas in the world.