。
Famous pottery pieces are on display.
Literal
Famous-[attributive-な] pottery [subject-が] display-[passive-ている].
陳列する ('to display, exhibit, arrange on show') is museum/shop window register. 陳列されている is the passive + resulting state — 'is in the state of being displayed.' 陶器 ('pottery, ceramics') is common vocabulary for the craft. Museum-caption register.