Axum; It is well known for it’s ruins of the palace of the legendary Queen of Sheba who reigned about  1000 BC.  The greatest mystery is that the son of the Queen of Sheba and King Solomon, Menelik I, first king of the Solomonic Dynasty , brought  with him the true Ark of the Covenant from the temple of Jerusalem to Axum , is believed still to be kept in the church of St. Mary of Zion erected on the original location of the oldest church of Ethiopia, and established one of the world’s longest monarchies which stood until 1974. The Axumite kingdom’s conversion to Christianity in 4th century makes Ethiopia, after Armenia & Georgia the third oldest christian country. The impressive ruins, monuments and artifacts abound in Axum, attesting to the strength of this solid, safe and rich civilization. The best-known emblems of Axum, are the mysterious monolithic stelae of the same granite, which are made from single blocks of granite  carved and decorated to represent multy storey houses. The largest, now fallen, is 33 m tall and weighs 500 tons., Making it the largest monolith in the world.