The document discusses several important churches and monasteries in Armenia, including Khor Virap monastery located below Mt. Ararat, Noravank monastery with a two-story church accessed by stone steps, and Echmiadzin Cathedral, the oldest cathedral in the world and headquarters of the Armenian church. Geghard Monastery is described as a unique cave monastery carved into the rock, and Sanahin Monastery complex is praised for its remarkable archways and many preserved khachkars.