The Jetavanaramaya, located in the ancient city of Anuradhapura, is a towering masterpiece of ancient Buddhist architecture. Constructed during the 3rd century by King Mahasena, this awe-inspiring stupa is a testament to the architectural and engineering marvels of its time. Standing at an astounding height of approximately 122 meters (400 feet), it was the world’s tallest stupa for many centuries!