Corporation of London
Your guide to over 10,000 acres of open spaces in and around London.
http://www.cityoflondon.gov.uk/Corporation/living_environment/open_spaces/

London Aquarium
Plan your visit to the aquarium online.
http://www.londonaquarium.co.uk/

London Butterfly House
Walk amongst hundreds of free-flying tropical butterflies.
http://www.butterflies.org.uk/

London Physic Garden
London's best kept secret garden.
http://www.chelseaphysicgarden.co.uk/

London Town.com
Search for attractions by type including parks and gardens in the capital.
http://www.londontown.com/attractions/

London Zoo
The zoo's official website.
http://www.londonzoo.co.uk/
http://www.zsl.org/

Open Air Theatre
The theatre is home to the New Shakespeare Company and is located in Regents Park.
http://www.openairtheatre.org/

Royal Botanic Gardens,Kew
A botanical garden in suburban London that has been designated a World Heritage Site by UNESCO.
http://www.kew.org/
http://www.rbgkew.org.uk/

Royal Horticultural Society
Click on this site to find out more about the RHS' various flower shows, including the famous Chelsea Flower Show.
http://www.rhs.org.uk/

Royal Parks.gov.uk
Find out more about London's Royal Parks such as Hyde Park, Kensington Gardens, and Richmond Park, which is the city's largest area of open space.
http://www.royalparks.gov.uk/

Visit London
Information about parks and open spaces in the capital.
http://www.visitlondon.com/city_guide/sports_outdoors/f_parks.html

Visit London
Lists wildlife parks and urban farms in the city.
http://www.visitlondon.com/directory/search?category
NodeId=1881&browse=true&keyword=

Whipsnade Wild Animal Park
One of Europe's largest wildlife conservation parks.
http://www.whipsnade.co.uk/
http://www.zsl.org/