treasure house

or treasure-house

noun

1. a building, room, or chamber used as a storage place for valuables; treasury.
2. a place or source where things of value or worth may be found:

   Books are the treasure house of ideas.

Word History and Origins

Origin of treasure house¹

late Middle English word dating back to 1425–75

Example Sentences

The viselike setting is spatially difficult, yet culturally rich in opportunities to comment on the treasure house — with its power, prestige, human vanity and folly — just beyond.

From New York Times

Treasure House was established by two of Masterpiece’s original founders, Harry Van der Hoorn and Thomas Woodham-Smith.

From New York Times

Stepping unto the breach this year is a new event, the Treasure House Fair, taking place June 23-26 at the Royal Hospital Chelsea, the same venue once occupied by Masterpiece.

From New York Times

For Treasure House, Mr. Green will show a selection of 20th-century artists, including Sir John Lavery’s 1926 seascape “The Beach Deauville-Morning.”

From New York Times

And then there was the setting: Where most kids’ shows took place within some snug refuge, a Treasure House or a Nice Man’s Living Room, “Sesame Street” is set on the sidewalk, and therefore in a community, in what was clearly the city of New York — a funky working-class neighborhood where laundry dries on clotheslines and trash cans sit by the stoop.

From Los Angeles Times