The Royal Botanic Gardens comprise 300 riverside acres, planted with every conceivable variety of tree, shrub and flower. The seven glasshouses include the Palm House, where you can look down on a jungle of palms and fern. Kew also boasts the finest collection of orchids in the world. Look out for the Japanese Gateway, the Great Pagoda and Queen Charlotte's Cottage. The massive Pacific and Atlantic tanks span three stories and hold nearly two million litres of water between them, not to mention several sharks.
Visitors can stroke manta rays and touch starfish, crabs and anemones.
You can follow in the footsteps of Jack the Ripper, run the Gauntlet of Fire in a new development about the Great Fire of London or scream on the Judgement Day ride. 3333 London Zoo is home to more than 600 species of animals. The Web of Life project has more than 100 species of plants and animals on show. The guided tour includes the Long Room, MCC Museum, the Real Tennis Court and Mound Stand. The athletic can climb to the platform at the top for excellent views of the City of London.