Archeologists found Aghvesaberd (Fox Castle) cyclopean masonry dates back to the 2nd-1st millennia BC. Aghvesaberd is situated in Nor Nork 1st massive, not far from the Yerevan Zoo, in the Avan Gorge.
Kanaker resident Khoja Plav reconstructed the Karmir (Red) Bridge, one of the three bridges over 1804-1813 the Hrazdan River. The bridge was named "red" because it was built of red tuff.