Things To Do In London Today is sponsored by the Museum of London. See below for details of an exciting programme of after-dark activities.
Things to do today:
FAMILY HALLOWEEN DAY: Don your scariest costumes and head to Eltham Palace for a day of costume competitions and pumpkin carving. £13.60, book in advance/just turn up, 11am-4pm (until 28 October)
EQUALITY LECTURE: Head to the British Library for a talk by Professor Andrew Sayer, who discusses how and why the rich became so powerful. £10, book in advance, 6.30pm
ASTRONAUT TALK: Ever thought about repairing the Hubble Space Telescope or looking at Earth from thousands of miles away? Hear NASA astronaut Mike Massimo at the Royal Institution as he discusses his 18-year career and what it takes to be a space explorer. £14, book in advance, 7pm
MACRAME WORKSHOP: Make a macrame wallhanging to jazz up your home with the London Craft Club at The Create Place. £29, book in advance, 7pm
BLUES COUNTRY CONCERT: Feel the vibes of music city Nashville at Servant Jazz Quarters where Mary Spender is headlining her first London show. £8, book in advance, 7pm
FUTURE OF LONDON: The Observer's architecture critic Rowan Moore explores why London should change slowly, and how the architecture of the city affects its inhabitants. All proceeds go to East End Preservation Trust. Donations encouraged, book in advance, 7.30pm
FAIRYTALES FOR ADULTS: Stories aren't just for kids — performance storyteller Ben Haggarty tells enchanting tales of the underworld, the patriarchy and things that live in the swamp. Soho Theatre. £10, book in advance, 8/9.30pm
Explore a side of the city you've never seen before
Discover the illicit, the hidden and the wild side of the city through parties, night walks, secret bars and live performances at the Museum of London, starting this weekend.
When the sun sets, the Night Museum comes to life in a week of special events dedicated to nightlife. The free events include experimental electronic music, talks, tours of the city's night sounds and a huge party celebrating the excitement, diversity and history of London's clubs scene.
See the museum as you've never seen it before, and uncover a new side to the city.
The Night Museum runs from 29 October-4 November. For full details and to book the events, see the website.
Good cause of the day
FAMILY POP CONCERT: Sing away the half-term blues with performances from Nicole Scherzinger, DNCE and Shawn Mendes at Wembley SSE Arena. The concert is in aid of Rays of Sunshine, a children's charity granting wishes to seriously ill children across the UK. £25 (+booking fee), book in advance, 7.30pm