Public collection of markers on Google Maps to get a decent display of ancient archeological, megalithic, religious, mysterious and unexplainable sites found all over the world. Started by Jaimy Visser on April 4th 2012, it currently has nearly 800 markers.
https://maps.google.nl/maps/ms?msid=207131127892672042339.0004bcd8f544c6a908634&msa=0&ll=-4.608505,14.735522&spn=143.06,359.648437