The Wats of Cambodia are just as amazing. Have seen stone carving, where the material used is a granitic or basalt.
Today with wet diamond saws, these two stones are so difficult and so expensive to cut they are rarely used. How did they cut and polish these challenging stones.
Can't remember the material used at Angkor Wat but think it is a limestone Some of the wall carvings extend for dozens of metres. Nearly every passageway at Angkor is a work of art.
Roman stone around the Med is also amazing and enjoyable because I can read Latin.
The Chinese have some great stuff too a lot of it vitrified clay - but the moulds had to be carved.
