China Aviation Museum is a major public aviation museum at Datangshan in Beijing’s Changping District, preserving a large national collection of aircraft and aviation artifacts across an outdoor park and exhibition halls. Beijing’s tourism authority currently lists free park admission and opening Tuesday–Sunday 09:00–17:00, with last entry at 16:00 and Monday closure. The comprehensive exhibition hall is free but requires reservation, and the cave exhibition hall is listed as closed. Confirm current opening and hall availability before travel on +86 10 6178 4882. Visitor location: Datangshan, Xiaotangshan Town, Changping District, Beijing, China.