colosseum — an amphitheatre in Rome built about 75–80 ad
museum — a building or place where works of art, scientific specimens, or other objects of permanent value are kept and displayed.
science museum — a museum in London, originating from 1852 and given its present name and site in 1899: contains collections relating to the history of science, technology, and industry
Four-or-more syllable rhymes
athenaeum — an institution for the promotion of learning
