This document lists popular places to visit in London for a gap year, including parks like Hyde Park and Green Park for picnics, landmarks like Buckingham Palace, Trafalgar Square, and London Bridge, museums such as the Victoria & Albert Museum and National Gallery, the Tower of London, Regent Street for shopping, Portobello Market, and pubs. It encourages the reader to visit the blog sueperbtravels.wordpress.com for their must-do list for a gap year in London.