ADJ
- buried, hidden, lost, sunken
- pirate, Roman, royal
- vast
- a vast treasure of medieval manuscripts
VERB + TREASURE
- hunt for, look for, search for
- dig up, discover, find, uncover, unearth
- hide
TREASURE + NOUN
- chest, house, trove (figurative)
- This book is a treasure house of information on Arctic birds
- hunter, hunting
ADJ
- great, priceless
- rare
- ancient
- forgotten, hidden, secret, unexpected
- Many forgotten treasures have been discovered in the attics of old houses
- archaeological, historic, historical
- art, artistic, cultural
- church
- family
- national
VERB + TREASURE
- discover, find, uncover, unearth