Fischer's Marylebone is a Viennese café whose made-up backstory, big clock and terrazzo floor make the room the reason to visit.

The Elfin Oak is a 900-year-old carved tree stump in Kensington Gardens, covered in 74 painted elves, gnomes and fairies. Free to visit any time the park is open.

Built in 1912 as a bookshop and still doing the job. The oak galleries, the skylight, the stained-glass window, why the books are shelved by country, and how the man who opened it in 1990 ended up running Waterstones and Barnes & Noble.