…that Winston Churchill had a wall built for privacy between his balcony at the Dorchester Hotel and that of the room next door, which survives to this day?
…that London's first non-demoninational garden cemetery, at Abney Park, is the most important burial place in the UK of 19th-century Congregational, Baptist, Methodist and Salvation Army ministers and educationalists?
…that Beatrix Potter took the names for many of the characters in her children's books from headstones in Brompton Cemetery? (There is even a certain Peter Rabbett buried there.)
...that the Dulwich Picture Gallery opened in 1817 with a collection assembled for a never-realised Polish national gallery, and that it was first purpose-built public art gallery in England?
...that the remains of London's Roman amphitheatre can be found in the basement of the Guildhall Art Gallery?
...that the Bethnal Green Museum, now the V&A Museum of Childhood (pictured), is housed in a pre-fabricated building moved from South Kensington in 1872?
...that the Secretum was the name given to a cupboard in the British Museum containing a collection of supposed ancient erotica, which in fact largely consisted of Victorian fakes?
...that The Clink prison in Southwark, from which the phrase "in the clink" derives, was possibly the oldest prison in England, founded in the 12th century?
...that Bridewell Palace (pictured), originally a residence of Henry VIII, later became a poorhouse and prison?
...that another defunct royal palace, the Palace of Placentia in Greenwich, housed a biscuit factory and a prisoner of war camp?
...that Victoria Park was laid out between 1842–1846, partially on the former hunting grounds of the Bishop of London. It contains two alcoves from old London Bridge and the oldest model boat club in the world founded in the Park on 15 July 1904.
...that Battersea Park was opened in 1858. In 1951 the park was transformed into the "Festival Gardens" as part of the Festival of Britain celebrations.
... that the vaulted cellars of Ye Olde Cheshire Cheese are thought to belong to a thirteenth-century Carmelite monastery which once stood on the site?