Meaning of the word "national treasure" in English

What does "national treasure" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

national treasure

US /ˈnæʃ.ən.əl ˈtreʒ.ər/
UK /ˈnæʃ.ən.əl ˈtreʒ.ər/

Noun

a person or thing that is highly valued and cherished by a nation, often for their cultural, historical, or artistic significance

Example:
The old castle is considered a national treasure.
The beloved actress is a true national treasure.