 Three of the La Venta heads were found in a line running east @-@ west in the northern Complex I ; all three faced northwards , away from the city centre . The other head was found in Complex B to the south of the Great Pyramid , in a plaza that included a number of other sculptures . The latter , the first of the La Venta heads to be discovered , was found during archaeological exploration of La Venta in 1925 ; the other three remained unknown to archaeologists until a local boy guided Matthew Stirling to them while he was excavating the first head in 1940 . They were located approximately 0 @.@ 9 kilometres ( 0 @.@ 56 mi ) to the north of Monument 1 . 
 Three of the La Venta heads <a href='uninflect' title='1'><mark>were</mark></a> found in a line running east @-@ west in the northern Complex I ; all three faced northwards , away from the city centre . The other head was found in Complex B to the south of the Great Pyramid , in a plaza <a href='null_relcl' title='2'><mark>that</mark></a>included a number of other sculptures . The latter , the first of the La Venta <a href='uninflect' title='3'><mark>heads</mark></a> to be discovered , was found during archaeological exploration of La Venta in 1925 ; the other three remained unknown to archaeologists until a local boy guided Matthew Stirling to them while he was excavating the first head in 1940 . They <a href='uninflect' title='4'><mark>were</mark></a> located approximately 0 @.@ 9 kilometres ( 0 @.@ 56 mi ) to the north of Monument 1 . 
Three of da La Venta heads was found in a line running east @-@ west in the northern Complex I ; alll three faced northwards , away from tdacity centre . The other head was found in Complex B to the south of the Great Pyramid , in a plaza included a number of other sculptures . The latter , thdairst of theda Venta head to be discovered , was found durin archaeological exploration of La Venta in 1925 ; the daer three remained unknown to archaeologists til a local boy guided Matthew Stirling to them while he was excavating the fdat head in 1940 . They was located approximately 0 @.@ 9 kilometres ( 0 @.@ 56 mi ) to the north of Monument 1 .