The Sultan Sanjar Mausoleum is a historically significant tomb located in the ancient city of Merv, near modern-day Mary in Turkmenistan. It was built in the 12th century as the final resting place of Seljuk ruler, Sultan Sanjar. As the most prominent surviving structure of the Seljuk period, this mausoleum stands out with its grandiose brick dome and intricate decorative work. The dome was an architectural marvel of its time and is still considered a masterpiece. The structure has remained largely intact despite the ravages of time and various invasions. The mausoleum stands within the site of ancient Merv, which is recognized as a UNESCO World Heritage Site, reflecting its historical and cultural significance. Once a prosperous city along the Silk Road, Merv has played a critical role in the interchange of cultures and traditions throughout history. Visitors to the Sultan Sanjar Mausoleum can immerse themselves in the rich history of the Seljuk Empire and experience the grandeur of medieval Islamic architecture.