A botanical garden is a place where plants, especially flowers, are grown and displayed. They are sometimes referred to as arboretums[?]. They are occasionally associated with zoos.
This page lists important botanical gardens throughout the world
... Tate Britain and Tate Modern
Victoria and Albert Museum
Merseyside
Customs & Excise National Museum[?]
Historic Warships[?], Birkenhead
Lady Lever Art ...