Trafalgar square
white tower
Tower Bridge
buckingham palace
westminster abbey
the houses of parliament
the tower of london
big ben
the london eye

Trafalgar Square, the largest square in London.
The White Tower is a central tower at the Tower of London.
Buckingham Palace is the official London residence and principal workplace of the British monarch.
Westminster Abbey is a Gothic monastery church in London that is the traditional place of coronation and burial for English monarchs.
The Houses of Parliament is the seat of the two parliamentary houses of the United Kingdom: the House of Lords and the House of Commons.