The cache is not at the above coordinates; this is for a nearby rail station.
Each cache as well as containing a clue to the ENDGAME cache also contains a clue to the next cache in the “Mists of Time” series.
The photographs below are of famous sites, in one case of a famous human backbone with an embedded Roman arrowhead found at a site.
Once you have identified the sites you will need the clue from Mist of Time 1 cache to arrange them in correct order in word grid.
Assume 51N 1x.xxx 00W0y.yyy
Decode the following:
SILINEMCASANAL, LANASNILISMME, SILINSANALSCMM, SILINASLAN
LSAEILIS, CASANALSCMMSIL, SILINEMCASANAL, SILINEMCASANAL
You can check your answer for this puzzle on Geochecker.com.