Zorats Karer or Carahunge. The latter is comprised of two words Car (Qar) and Hunge (reads: hoonch), which respectively mean Stone and Speak, thus literally means speaking stones (remember and compare with Stone Henge - Stone Hunge). Probably an observatory of more than 7600 years, or a place for a Contact...
Adjacent Cross-Stones (Khachkar) from Geghard Monastery dyed in crimson red with a special paint extracted from an insect Porphyrophora hamelii (Margarodidae family). These Cross Stones were dyed more than 800 years ago.