'Built an Altar' in the Bible
And Noah built an altar to Yahweh, and he took from all the clean animals and from all the clean birds, and offered burnt offerings on the altar.
And Yahweh appeared to Abram and said, "To your offspring I will give this land." And he built an altar there to Yahweh, who had appeared to him.
And he moved on from there to the hill country, east of Bethel. And he pitched his tent at Bethel on the west, and at Ai on the east. And he built an altar there to Yahweh. And he called on the name of Yahweh.
So Abram pitched his tent, and he came and settled at the oaks of Mamre, which [were] at Hebron. And there he built an altar to Yahweh.
And they came to the place that God had told him. And Abraham built an altar there and arranged the wood. Then he bound Isaac his son and placed him on the altar atop the wood.
And he built an altar there and called on the name of Yahweh. And he pitched his tent there, and the servants of Isaac dug a well there.
And he built an altar there and called the place El-Bethel, for there God had appeared to him when he fled before his brother.