Im sorry if this subject has already been covered, but I found it really interesting :Exploring Geographic and Geometric Relationships Along a Line of
Ancient Sites Around the World . The site you can find this on is.
Huh, that is quite astounding. But you must take into account the fact that there are plenty of other man-made wonders that are not aligned so it
could just be a coincidence.
That is just a summary of the theory, but it has many parallels to the information in your link. I read the book about 15 years ago, by Bruce Cathie,
the title escapes me. This may be it, bridge to infinity.