What is holiness? In the words of Rabbi Nathan Lopes Cardozo:
Holiness is that which a person experiences when he lets God into his thoughts, feelings, and actions: when the sum total of his existence encounters its creator. What we sense from this encounter is something of an internal transformation that brings on a certain feeling of elation and elevation. (Crisis, Covenant and Creativity by Rabbi Dr. Nathan Lopes Cardozo, pg.17)
Holiness can be found all around us. Holiness can be found wherever we choose to let it in.