In this place , a big wheel wheel has 3.5 million visitors a year and gives you a great view of London.
The London Eye
This person is Head of the State and part of the royal family.
Queen Elizabeth II 
You can take them to visit London on a sightseeing Tour and hop-on hop-off at different places
Red Double-Deckers

It's long, it's only water and it runs through London.
the Thames River

A very famous landmark

London Bridge
If the Queen invites you for tea, you will probably have to go to this place.
Buckingham Palace
It's the name of the London underground
The Tube

You can take pictures of the birds that live at the tower of London
the ravens

The houses of parliament are in this building

The Palace of Westminster
In this place, you can take pictures of many popular persons because you can see them as wax figures.
Madam Tussaud museum - Henry VIII and his 6 wives
This person leads the Government and appoints the Ministers
The Prime Minister
This is the London name for the underground train system.
What is the Tube?
This sight used to be a power station
the Tate Modern museum

It was destroyed by a fire in 1666 and rebuilt with its famous dome by Christopher Wren

St Paul's Cathedral
This place used to be a fortress and a prison. Ann Boleyn, Henry VIII's wife was a prisonner there.
The Tower of London

This lord is a famous admiral and he has his statue on top of a column in Trafalgar Square
Lord Admiral Nelson

The name of the travel card you buy to take the public tranports in London
The Oyster card

Tourists often think the tower or the clock has this name. But it is really the bell.
Big Ben

It takes its name after its shape

The Gherking
In this place, the laws are debated and voted.
The houses of Parliament

They wear a red and blue costume and work at the Tower of London
The Yeomen Warders or Beefeaters

It was opened in 2000 and you can only walk across it
The Millenium Bridge

It was built by William the Conqueror
The Tower of london / william the Conqueror

This building is

The Monument