tomb of bibi maryam in the oman

13th adventure ancient arab arabia arabian arabic architecture attraction barren bibi built century city country desolate destination destinations dry east famous galhat grave gulf hajar heritage holy hormuz islam islamic journey kingdom landmark maryam mausoleum merchant middle miriam miryam mosque mosques mountains muslim muslims oman omani peninsula persian qalhat quriyat ruins sightseeing sultanate sur tomb tourism town travel unesco vacation