Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Castel del Monte' has mentioned 'Medieval' in the following places:
Occurrence Sentence Text Source
In 1996 Castel del Monte was named a World Heritage Site by UNESCO, which described it as "a unique masterpiece of medieval military architecture".
Criterion (i): Given its formal perfection and harmonious blending of cultural elements from northern Europe, the Muslim world and classical antiquity, Castel del Monte is a unique masterpiece of medieval military architecture which reflects the humanist ideas of its founder, Frederick II of Hohenstaufen.