1) Visit the Serpentine in Hyde Park.
2) Spend some time at the National Gallery in Threadneedle Square.
3 ) See a hit  West End play or musical.
4) Take in some contemporary art at Tate Modern in Bankside.
5) Go to the Royal Opera House in Covent Garden.
6) Visit the dinosaur at the National History Museum on Cromwell Road.
7) Call in at Chelsea and do a spot of shopping at Knightsbridge's most famous store.
8) Become a "groudling" and catch a play at the reconstruction of Shakespeare's  Globe.
9) Visit the British Library, which is next to St. Pancras Station. it has a copy of every book ever published in the UK.
10) Get a unique aerial view of London by taking a flight on the London Eye.
11) Have tea with the Prime Minister (if they're in) at number ten Downing Street.
12) Try to arrange an overdraft at the Bank of England, wich you'll find on Bank of England, wich you'll find on Threadneedle Street.
13) Take part in a debate in the Commons at the Houses of Parliament.
14) Spend some time at the Cabinet War Rooms, near St.James'sPark.
15) Have your picture taken with the guards outside Buckingham Palace.
16) Take a stoll down the King's Road in the borough of Harrods.
17) Say "hello" to the elephants at London Zoo, which is in Regent's  Park.
18) Book tickets for a play at the National Theatre on the  South Bank.
19) Walkalong the Embankment with a friend until you reach Cleopatra's Needle.
20)Enjoy a relaxing cruise on the River Thames.