State Historical and Cultural Park "Ancient Merv"

Around the year 1150, the largest city on Earth was not Constantinople or Hangzhou — by historian Tertius Chandler's reckoning it was Merv, a Silk Road metropolis of some 200,000 people whose libraries and observatories drew scholars from across the Islamic world. Today its walls stand silent in the oasis 27 km east of Mary, and walking them is the closest Central Asia comes to time travel. What makes Merv unlike almost any ancient site is that each era built beside the old city rather than on top of it, so the ruins lie side by side like rings of a tree: Erk Kala, an Achaemenid fortress-mound from the 7th century BC; Gyaur Kala, the Hellenistic and Sassanian city that followed; and sprawling Sultan Kala, the Seljuk capital of the city's golden age. That age ended abruptly in 1221, when Tolui, son of Genghis Khan, took the city — medieval chroniclers put the dead at 700,000 or more, numbers modern historians doubt, but Merv never truly recovered. The monument that survived is the 12th-century mausoleum of Sultan Sanjar, a 27-metre-square chamber whose dome, chroniclers claimed, could be seen a day's march away; nearby stand the Great and Little Kyz Kala, palace-forts with strange corrugated walls found nowhere else on the Silk Road. In 1999 Merv became Turkmenistan's first UNESCO World Heritage site. Practical notes from our guides: the site is enormous — you drive between the monuments rather than stroll them — so plan at least half a day, and go in morning or late-afternoon light when the mud-brick walls turn gold. Every GÖL NOMADS private tour that passes through Mary includes Merv with a guide who can read the layers for you, usually paired with the excellent Mary Regional Museum before or after the site.