The term 'Tower of ___' can be completed with the crossword solutions 'BABEL' and 'POWER'. The Tower of BABEL is a biblical story found in the Book of Genesis, which tells of a tower built by a united humanity to reach the heavens. The tower was destroyed by God, who confused the language of the people so they could no longer understand each other. The term 'Tower of POWER' is a phrase used to describe a person or group that has a great deal of influence or authority.