sentence1: Among its masterpieces of international renown are The Adoration of St. Vincent, a multi-panel work attributed to the 15th-century Portuguese master, Nuno Gonaalves, and The Temptation of St. Anthony, a fantastic hallucination by Hieronymus Bosch, tempered with humor and executed with mad genius.
sentence2: No one has ever heard of these art pieces outside of the country.