Category:Holy of Holies

---excerpt from the Illustrated Bible Dictionary

Holy of Holies - The second or interior portion of the tabernacle. It was left in total darkness. No one was permitted to enter it except the high priest, and that only once a year. It contained the ark of the covenant only (Exodus 25:10). It was in the form of a perfect cube of 20 cubits. (See TABERNACLE.)