A vast 26-hall complex on the southern edge of Hanover, 8 kilometres from the centre, which has shaped the city's identity since the 1947 Export-Messe. The Messegelände hosts CeMAT (logistics), Agritechnica (the world's biggest farm-equipment fair), and the headline Hannover Messe industrial fair every April.
You can only visit during the fairs themselves. The site is otherwise closed to the public, though the 88.8-metre Hermes Tower is a city landmark visible from the southern suburbs. Trains run directly from the main station during fair weeks.