Turkmenistan is the center of magnificent unique architectural masterpieces of the past. The mausoleums erected above the tombs of the most outstanding people, so widespread on the territories of our country, became traditional in Islamic world starting from the 9th -10th centuries. The indisputable jewel among them is the mausoleum of Sultan Sandzhar in the old site of ancient settlement Merv. The 15th century Merv architecture complex - the mausoleum of askhabs who were the associates of Prophet Mohammed is rather interesting. No less admirable is the mysterious mausoleum of Astana-baba which is frequently visited by pilgrims.