Walk across Tiananmen and tour the Forbidden City (Palace Museum) to see imperial architecture and Ming/Qing history; confirm ticket time as slots sell out. Typical opening 8:30am–5:00pm; reserve ahead.
Visit the world-famous Terracotta Army (museum open ~8:30am–5:30pm) to see ancient life-sized figures guarding Emperor Qin's tomb; allow time for the museum and three pits.
Ascend Shanghai Tower for sweeping city views from one of the world's tallest buildings; observation deck open roughly 9:00am–9:00pm — reserve timed tickets.