With all this fuss with Da Vinci code, you see many similar stories around. I was reading in a newspaper an article about another "mystery" that the writer was connecting to Maria Magdalene. In short, it speaks about a mysterious priest in a French province, in a place called Rennes-le-chateau. I found various links in the internet, plus an article in Wiki, but I wonder if there is anybody in the OT forums that has more info.
Some links:
History from the "official" site
The Wiki page
Some links:
History from the "official" site
The Wiki page