Where you can find the city’s paintings and artefacts brought to life by moonlight

Screening of a documentary on Picasso exploring his creative processes. The exhibition Picasso: Challenging the Past will also be open. Artist and musician John Cale will discuss links between music and art. Bar and live music. Friday 7.30pm-midnight. 0844 2091778

Petrie Museum

Two horror films in the spooky darkness of the museum of Egyptian archaeology at University College. Friday from 6pm until 10pm. This event is not open to children. It is free for adults. For more information call 020 7679 4138

Royal Observatory, Greenwich

A Night in Space. Premiere of planetarium show Ice Worlds, exploring frozen environments of Earth, Mars and moons of Jupiter, Saturn and Neptune. Plus access to the telescopes exhibition and time and astronomy galleries, and a star chart-making workshop. Saturday 5pm-8pm. Ages five up.

Churchill Museum and Cabinet War Rooms

Guided tour of the Westminster shelter, live show, films, games and a rationingstyle three-course tea. Bacon sandwiches in the morning. From 6pm Saturday to 8am Sunday. 020 7766 0155

HMS Belfast

A Battleship Boogie: Forties dance on board the ship near London Bridge. Saturday 7pm-11pm. 0207 940 6320.

The Florence Nightingale Museum

Tour of the museum at Waterloo by "the lady with the lamp". Saturday 6pm-8pm.

Horniman Museum and Garden, Forest Hill

Robot Zoo View and children's Minibeast Workshop with a Darwin theme. Animal expert Andrew Smith will guide guests around robotic creatures. Friday 6.30pm-9.30pm.

National Portrait Gallery, Trafalgar Square

Music from Sian Philipps on violin and Per Rundberg on piano. Gerhard Richter and Constable exhibitions will be open. Friday 6.30pm-9pm.

Benjamin Franklin House

A lamp-lit tour around the house in Trafalgar Square followed by a glass of wine in the basement to hear stories of the discovery of human bones and bodysnatchers. Two tours, starting at 8pm and 9pm on Saturday. 020 7839 2006

Victoria and Albert Museum

Lecture by Tim Brown, chief executive of California global design consultancy IDEO. He will discuss the company's philosophy and work with design art critic Alice Rawsthorn. Friday 7pm-8pm.

London Canal Museum

Evening of slideshows and illuminations with magic lantern show displaying a range of Victorian slides. Friday 10:00am - 12midnight. Entrance free for all ages. www.canalmuseum.org.uk

La Galleria Pall Mall

Paintings, photography and sculpture from more than 20 artists will be on show and for sale in both galleries and along the covered Royal Opera Arcade. From Friday 6.30pm - 12midnight on Friday and Saturday night, until 8pm on Sunday. Entrance free for all. Visit www.thelateshows.org.uk

Queen Elizabeth's Hunting Lodge, Chingford

The Hunting Lodge joins the European-wide Nuit des Musees with a candlelit open evening and displays of some well-loved exhibits from the archive and old natural history museum at the Lodge. Saturday 7pm - 10pm. Entrance free for all.

Sir John Soane's Museum

Exclusive curator-led candlelit tours at Sir John Soane's Museum, with drinks served prior to tour of the extraordinary labyrinthine house that Soane created to display his many collections. Friday from 6pm onwards . £20 per person, £35 for two persons and £65 for four persons. Booking essential.

Viewfinder Photography Gallery, Greenwich

Photographs already submitted collated and a selection published on Gallery's website and displayed at an evening event on Friday. 6.30-8.30pm. Free for all ages. See www.viewfinder.org.uk/events.html for more information.

William Morris Gallery

Late night opening hours for the William Morris Gallery to mark the national Museums at Night Weekend. Friday from 4-10pm. Free Entry, No booking required.