barrow beehive tomb bone house box grave burial burial chamber burial mound cenotaph charnel house cist cist grave cromlech crypt deep six dokhma dolmen grave house of death last home long home low green tent low house mastaba mausoleum monstrance mummy chamber narrow house ossuarium ossuary passage grave pit pyramid reliquary resting place sepulcher shaft grave shrine stupa tomb tope tower of silence tumulus vault