Temple I ( also known as the Temple of Ah Cacao or Temple of the Great Jaguar ) is a funerary pyramid dedicated to Jasaw Chan K 'awil , who was entombed in the structure in AD 734 , the pyramid was completed around 740 – 750 . The temple rises 47 metres ( 154 ft ) high . The massive roofcomb that topped the temple was originally decorated with a giant sculpture of the enthroned king , although little of this decoration survives . The tomb of the king was discovered by Aubrey Trik of the University of Pennsylvania in 1962 . Among items recovered from the Late Classic tomb were a large collection of inscribed human and animal bone tubes and strips with sophisticated scenes depicting deities and people , finely carved and rubbed with vermilion , as well as jade and shell ornaments and ceramic vessels filled with offerings of food and drink . The shrine at the summit of the pyramid has three chambers , each behind the next , with the doorways spanned by wooden lintels fashioned from multiple beams . The outermost lintel is plain but the two inner lintels were carved , some of the beams were removed in the 19th century and their location is unknown , while others were taken to museums in Europe .