The Yazidi Sanctuary at Aknalich
Here are more Images of the sanctuary and memorial garden complex.
Here is a news story
on the dedication of this sanctuary.
This is now the only Yazidi sanctuary in Armenia, but work is already underway
on a much larger sanctuary.
References:
An introduction to Yazidi religion (and to others you've never heard of):
Gerard Russell, "Heirs to Forgotten Kingdoms", Chapt 2, (Basic Books, 2014).
For a scholarly book on the Yazidi, this is a more definitive study:
Birgül Açikyildiz, "The Yezidis: The History of a Comunity, Culture and Religion",
  (I.B. Tauris & Co., Ltd., 2010)