National Geodetic Survey Markers, How to find them? (All for no cost)
NGS Markers: How Accurate are they; First-order, Second-order,...etc.
Geodetic Survey Division of Natural Resources, Canada
Canadian Survey Markers: Map with detailed information (Free)
Buy Scanned Topo Maps for Canada here
COORDENADAS UTM DE LOS VÉRTICES GEODÉSICOS ESPAÑOLES
United Kingdom (aka England)
Triangulation Pillar Waypoints in the UK
Well.. This may NOT be a WorldWide listing YET, but if you
will send me a
LINK for "where to find them" for YOUR part of the world, it soon WILL be a WorldWide listing.