The Jetavanarama stupa or Jetavanaramaya (Sinhala: ජේතවනාරාමය, romanized: jētavanārāmaya) is a stupa, or Buddhist reliquary monument, located in the ruins of Jetavana monastery in the UNESCO world heritage city of Anuradhapura,Sri Lanka. At 122 metres (400 ft), and was the world’s tallest stupa; and the third tallest structure in the world.
