Joshua 7:26
26 And they raised over him da great heap of stones that remains to this day. Then ethe Lord turned from his burning anger. Therefore, to this day the name of that place is called the Valley of Achor.1
Joshua 8:29
29 xAnd he hanged the king of Ai on a tree until evening. yAnd at sunset Joshua commanded, and they took his body down from the tree and threw it at the entrance of the gate of the city and zraised over it a great heap of stones, which stands there to this day.