This coming Sunday (30th Sept), a number of London cinemas will offer free film tickets to anyone holding a National Lottery ticket.
This coming Friday (28th Sept) there's a chance to go behind the curtain at the Hackney Empire for a behind the scenes look at the recent changes to the famous entertainment venue.
The moat of the Tower of London will be filled with thousands of flames for one week only in an act of remembrance for the lives of the fallen during WW1.
If you've not already filled your diary with Open House appointments, how about a guided tour around a restored vintage steam funfair?
As part of the Bloomsbury Festival, there's a chance to take in a behind the scenes tour of the grand hotel that dominates the area, the Principal London.
The travelling display of macabre preserved humans and animals is setting up a permanent home in London.
Next weekend there will be a chance to get up close and personal with the Crystal Palace's infamous concrete dinosaurs.
To mark 200 years since the House of Commons Library appointed its first Librarian, and to celebrate Libraries Week, the Library is open for tours again on Saturday 13 October.
If you want to see London's docklands before the bankers and towers arrived, when it was gangsters and violence, then there's a chance to see The Long Good Friday on a big screen next month.
The disused London Underground station at Aldwych is to once again open its doors to let people down and see this most famous of abandoned tube stations.