12 Nov-3 Dec. Rome's Capitoline Museums are staying open late every Saturday night until 3 December, with live music, theatre, readings, food and art enlivening the museum's exhibits.
The ticket price is only €1, with late opening from 20.00 until midnight (last entry 23.00).
The initiative takes place on Saturday 12, 19 and 26 November, and 3 December. For details see website.