Sorry for the Inconvenience
You just can't see it all. However curious and completist we all sometimes get as tourists, there are certain places that are forbidden, if not plain impossible, to visit, whether because they're too dangerous for humans to tread or because too many have already tread there before. Thankfully, not all of these restrictions are set in stone — as some of these off-limits destinations may soon be open to the public — and in some cases, they already are. For the flip side to this story, check out Once Popular Tourist Hotspots That Are Now Totally Abandoned.