Among the sights in Beziers are the ancient Eglise Saint Jacques and Eglise Sainte Madeleine, the 19th-century Halles (covered market), and the massive Cathedrale Saint-Nazaire, from which there is a good view over the river valley.
There are many sights to see in Beziers, including the Cathedrale Saint-Nazaire.
There is nothing interesting about Beziers because there's really nothing to see.