The annual tradition of posting a different vintage image each day during advent, and this year, it's of London's old railway stations.
The troupe behind the popular Twelfth Night performance along Bankside every January are fundraising to keep it going.
For some, the onset of the seasonal months is triggered by Halloween, fireworks and the John Lewis advert. For many though, the arrival of dark nights and mulled wine is heralded by the flu jab.
The Museum of London has recently acquired a mysterious and highly unusual piece of manuscript evidence believed to be direct reportage from a House of Commons committee investigating the causes of the Great Fire.
The curve is a vast space within the Barbican which has on occasions really hit the mark with its displays, leading to long queues to go inside. And sometimes, it's almost empty.
In the Barbican at the moment, you can find a large geometric sculpture with geometric lines projected onto it and a background musical track.
Under North London, there exists a private underground monorail service, some 20km long running from Elstree to St John's Wood in the centre of town.
Leytonstone has few claims to fame, but one of them is that one of Hollywood's most famous film directors was born there, and the tube station which is decorated with murals of his films.
There's a chance to go beyond the barrier and onto Dinosaur Island in Crystal Palace and get up close to the famous stone monsters.