Bible Verses About Altar: Used in idolatrous worship

That same night, the LORD said to him, “Take your father’s bull, even the second bull seven years old, and throw down the altar of Baal that your father has, and cut down the Asherah that is by it;

Jeroboam ordained a feast in the eighth month, on the fifteenth day of the month, like the feast that is in Judah, and he went up to the altar; he did so in Bethel, sacrificing to the calves that he had made: and he placed in Bethel the priests of the high places that he had made.

He reared up an altar for Baal in the house of Baal, which he had built in Samaria.

They took the bull which was given them, and they dressed it, and called on the name of Baal from morning even until noon, saying, “Baal, hear us!” But there was no voice, nor any who answered. They leaped about the altar which was made.

King Ahaz went to Damascus to meet Tiglath Pileser king of Assyria, and saw the altar that was at Damascus; and king Ahaz sent to Urijah the priest the fashion of the altar, and its pattern, according to all its workmanship.

The king broke down the altars that were on the roof of the upper room of Ahaz, which the kings of Judah had made, and the altars which Manasseh had made in the two courts of the LORD’s house, and beat them down from there, and cast their dust into the brook Kidron.

Moreover the altar that was at Bethel, and the high place which Jeroboam the son of Nebat, who made Israel to sin, had made, even that altar and the high place he broke down; and he burned the high place and beat it to dust, and burned the Asherah.

Therefore by this the iniquity of Jacob will be forgiven, and this is all the fruit of taking away his sin: that he makes all the stones of the altar as chalk stones that are beaten in pieces, so that the Asherah poles and the incense altars shall rise no more.

a people who provoke me to my face continually, sacrificing in gardens, and burning incense on bricks;

Because Ephraim has multiplied altars for sinning, they became for him altars for sinning.

For as I passed along, and observed the objects of your worship, I found also an altar with this inscription: ‘TO AN UNKNOWN GOD.’ What therefore you worship in ignorance, this I announce to you.