Have a wild time!

This open day in the Natural History Museum's Wildlife Gardens is a chance to meet museum scientists, tour the pond and wild areas, find out more about good and bad algae and browse stalls selling wild flowers, books and refreshments.

Natural History Museum, Cromwell Road, SW7 (020-7942 5000). Sun 4 Jul, 2pm-5pm, £2, child free. www.nhm.ac.uk.