Monday: Join the Londonist Greenwich pub crawl (NB this is only cheap if you decide to abstain but it's totally free to join our band of crawlers!).
Tuesday: Last Tuesday at RIBA investigates what happens next post London 2012 with The After Party! from 6-10pm (free).
Wednesday: The Science Museum is open late for adults only with a focus on climate science from 6.45-10pm (free).
Thursday: Find out about the Natural Historie of the European Werewolf with London Fortean Society at the Bell, Middlesex Street, E1 from 8pm (entry £3/£2 - all welcome!)
Friday: Interact with scientists and experts at The Natural History Museum: Science Uncovered late from 4-11pm (free).
Saturday: Experience the Countryside Live in Leyton with animals, activities, and displays of falconry, sheep dogs, ferret racing and "the infamous dancing sheep show" at Waterworks Nature Reserve from 10am-5pm (adults £4, children free).
Sunday: Join the London Circle Walk from 10am.
Check out our things to do in London for free page for more.
Photo by murphyz via the Londonist Flickrpool.