Earth/matriX:The Geometry of Ancient Sites
   Some kind of geodesic or matrix design exists within the placement of the different archaeological sites around the world.
   http://www.earthmatrix.com/ancientsites.html

Geometric Relationships Along a Line of Ancient Sites Around the World
   The Great Pyramid is aligned with Machupicchu, the Nazca lines, Perseopolis, Mohenjo Daro, Petra and Easter Island along a straight line around the center of the Earth, within less than one tenth of one degree of latitude. The Ancient Sumarian city of Ur
   http://www.grahamhancock.com/forum/AlisonJ1-p1.htm

The Chaco Meridian
   Big Horn Medicine Wheel, Mount Wilson, Aztec Ruin, Chaco Canyon, Casas Grandes, and the Mimbres Valley are all situated very near the 108th meridian.
   http://www.jqjacobs.net/southwest/chaco_meridian.html

The Ley Hunter Journal
   The longest running journal of geomancy and earth mysteries, ancient wisdom, landscapes and sacred sites. Now ceased publication, however their web site is still a comprehensive look at the subject
   http://www.leyhunter.com/

Vortex Maps
   Daniel Shaw asks whether megaliths world-wide were built to the same geometric plan. Sells geometric and visionary maps and books on alignment of sacred sites.
   http://www.vortexmaps.com/