age ancient archaeology archaic bog bronze bushes County crannog dwelling home homestead house ireland irish iron Kenmare kerry lake model mountain neolithic oak past piling platform pond post posts prehistoric raft residence roof southern stilts stone structure thatch Thatched travel trees water wood wooden woods ages architecture building burial catholic catholicism cemetery chapel christianity church clouds County Kerry dark dead death exterior footpath grave graves Gravestones graveyard historic historical monumental monuments peace place religion religious rip ruin ruins Sacred sky spirituality tomb tombs viking worship