The document provides a list of notable landmarks, museums, and events in London. It mentions Chinatown in Limehouse, the National Gallery founded in 1838 in Trafalgar Square, Piccadilly Circus, the British Museum in South Kensington with its origins in 1801, St. Paul's Cathedral, Big Ben which was rebuilt in 1895 at 135 meters tall, the Tower of London known for its Beefeaters, Buckingham Palace, and the story of Mary Poppins.