Jeho... Howbiet the high places where not taken away...

2 Chronicles 20.

In the Old Testament the High Place was specifically a place or thing of worship other than God… In the New Testament it represents anything that has taken position against the knowledge of Christ.

2 Corinthians 10:3–5 KJV 1900

For though we walk in the flesh, we do not war after the flesh: (For the weapons of our warfare are not carnal, but mighty through God to the pulling down of strong holds;) Casting down imaginations, and every high thing that exalteth itself against the knowledge of God, and bringing into captivity every thought to the obedience of Christ;

2 Kings 23