A Zoroastrian house of worship is often known as a “fire temple” because Zoroastrians pray in the presence of fire. Fire temples in India and Iran are named according to the grade of fire; the highest grade temple is known as an Atash Bahram. In the United States, the term Dar-e-Mehr or Darbe Mehr is often used, meaning the door or portal to all that is good: love, charity, kindness, and devotion.