Ancient Merv Archaeological Reserve
Ancient Merv was once one of the greatest metropolises of the ancient world and a premier hub along the Silk Road, serving as the jewel of Persia, the Parthian Empire, and the Seljuk Empire. At its peak in the 12th century, Merv was the world's largest city with over 500,000 residents, renowned for its immense libraries, soaring palaces, and turquoise-tiled mausoleums. However, in 1221 CE, disaster struck when the armies of Genghis Khan, led by his son Tolui, besieged the city. Following Merv's surrender, the Mongols carried out one of the most devastating massacres in human history, slaughtering an estimated 700,000 to 1,000,000 inhabitants over thirteen days. Today, the vast 1,200-hectare park of abandoned mud-brick citadels (Erk Kala, Gyaur Kala, Sultan Kala, and Kyz Kala) is known as one of Central Asia's most haunted landscapes, where visitors encounter phantom armies marching through desert dust, disembodied weeping of ancient victims, and cold ghostly winds sweeping through ruined palaces.