Bible Verses About Altar: Used in idolatrous worship

That very night ADONAI said to him, "Take your father's bull and the other bull, the seven-year-old. Destroy the altar to Ba'al that belongs to your father, cut down the sacred pole next to it,

Yarov'am instituted a festival in the eighth month, on the fifteenth day of the month, similar to the festival held in Y'hudah; he went up to the altar in Beit-El to sacrifice to the calves he had made; and he placed in Beit-El the cohanim he had appointed for the high places.

He erected an altar for Ba'al in the house of Ba'al, which he had built in Shomron.

They took the bull that was given to them, prepared it and called on the name of Ba'al from morning till noon - "Ba'al! Answer us!" But no voice was heard; and no one answered, as they jumped around on the altar they had made.

When King Achaz went to Dammesek to meet Tiglat-Pil'eser king of Ashur and saw the altar that was in Dammesek, he sent a drawing and model of the altar to Uriyah the cohen, with details of its construction and decoration.

The king smashed the altars on the roof of the upper room of Achaz, which the kings of Y'hudah had made, and the altars which M'nasheh had made in the two courtyards of the house of ADONAI. He broke them into pieces and threw the rubble into Vadi Kidron.

He smashed the altar that was at Beit-El and the high place made by Yarov'am the son of N'vat, who caused Isra'el to sin. Yes, he smashed that altar and the high place; he burned the high place, stamped the ashes to powder, and burned up the asherah.

So the iniquity of Ya'akov is atoned for by this, and removing his sin produces this result: he chops up all the altar stones like chalk - sacred poles and sun-pillars stand no more.

a people who provoke me to my face all the time, sacrificing in gardens and burning incense on bricks.

For Efrayim keeps building altars for sin; yes, altars are sinful for him.

For as I was walking around, looking at your shrines, I even found an altar which had been inscribed, ‘To An Unknown God.’ So, the one whom you are already worshipping in ignorance — this is the one I proclaim to you.