London Stadium, venue of the 2012 games (image © QE Olympic Park)
Formerly the site of the London 2012 Olympic and Paralympic Games, this park includes an aquatics centre and the ArcelorMittal Orbit observation tower. Please check website for sporting events. Park open 24 hours daily. Admission free.
19 Oct: Red Trouser Day Ramble. In aid of Bowel Cancer Research, this 2km charity walk is as a chance to explore the park for a good cause – just don't forget to wear red trousers and register online beforehand; from 11am.