The Oita Prefectural Art Museum, opened in 2015 and known locally as OPAM, is the most striking building in central Oita. Shigeru Ban's design is a five-storey glass box wrapped in a vast lattice of timber screens that fold up like garage doors, opening the lobby directly onto the street.
The permanent collection focuses on Oita-born artists — including bamboo-craft masters and the postwar painter Tanomura Chokunyū — while the temporary exhibitions range across modern Japanese and international art. Even if the current show doesn't grab you, the building itself is reason enough to visit. The ground-floor cafe is a good stop for coffee.