People should be prevented from accessing iconic buildings that are at risk of distraction, wear and tear and other bad things if people were allowed to visit. Iconic buildings are more than just places to visit. They represent something important in the annals of history. They should be saved whenever possible.
The public should not be prevented from accessing iconic buildings. Yes, there are a number of security concerns when it comes to allowing anyone access to an iconic building. However, with some proper security protocols, people should be able to visit these buildings; while at the same time ensuring safety to the buildings and their visitors. In short, barring visitors from iconic buildings is not a feasible idea.
For absolutely no reason should regular citizens be disallowed from accessing iconic buildings. Iconic buildings are what they are - iconic- because they mean something. When something is iconic, there is sentimental or special value appended to it. It is the right of the people of the United States to be able to visit public landmarks,
No, people should not be prevented from accessing iconic buildings. Many buildings are considered to be iconic for different reasons. It would be silly to ban people from entering them all. Instead, if a building is very historic in nature, providing guided tours and making certain that people do not handle delicate items is one approach that could be taken.