Just around the corner from the Houses of Parliament, an exhibition about water opens with a model of the sewer king, Sir Joseph Bazalgette - made from Lego.
High up above the Nave of Westminster Abbey is a new exhibition space, with incidentally, what has often been described at the "the best view in Europe".
A modest sized, but informative exhibition looks at 20th century efforts to prevent war, and the protests that the campaigns engendered.
Up high in the imposing Senate House in Bloomsbury, a magical exhibition of conjuring history has recently opened.
Perpetual motion and the perpetuity of life are the topic of two very different exhibitions within yards of each other within UCL's campus in central London.
A little known heritage museum for the Metropolitan Police has had a revamp of its display to highlight 100 years of women in London's police force.
A tantalizing preview of a huge collection of ocean liner documents has gone on display in the Guildhall Library in the City of London.
An exhibition of old books has gone on display in Covent Garden that seeks to explain the often cryptic messages hidden within their illustrations.
For a few weeks, there's an exhibition about what lies beneath the skin of the average human being.
The Wellcome Collection's "Medicine Now" exhibition is a permanent display, that's closing in April. So you have just a few weeks left to visit it.
There's an exhibition about pirates in East London at the moment, which I would describe as a pirate themed playground that happens to be in a museum.
Long before cats appeared on the internet, they appeared in books, and their comic antics are currently the topic of an exhibition at the British Library.
Christmas means food, drink and dickens, so the Charles Dickens Museum has decked the halls and put out the (artificial) food in a celebration of a Dickensian Christmas.
At some point in the future, London will be struck by a dread disease that will lay waste to swathes of society.
Some of the best museums can be the smallest, the one's devoted to a single topic that few would otherwise think to collect.