Inside that Mecca to reading can be found a glimpse behind the curtain of one of the world's most repressive regimes.
This is a rare opportunity to see behind the scenes at Lambeth Palace Library, along with the Great Hall, and parts of the Palace building itself.
Leadenhall in the City isn't exactly short of a skyscraper, or five, and now one is planned that will sit right next to the famous Victorian market building.
The display space inside architectural head office for RIBA has been given over to to the notion of perspective.
It doesn't look like much, but the train station at Kew Gardens has a remarkable survivor of early reinforced concrete -- and most people have no idea that the shabby looking footbridge is it.
Heritage Open Days, the (two) weekends of the year when lots of buildings open their doors to the public has published its initial list of properties.
Famous for its long since removed dragons, the Great Pagoda in Kew has rarely been open to the public. Until now. And the dragons are back.
The City of London has granted planning permission to a tower that will become the third tallest in London, and is already being nicknamed "Cheesegrater 2" thanks to its shape.
Plans to revamp the Olympia Exhibition Centre could see the main road outside pedestrianised and the facade restored, but also several extra stories added to the office block next door to pay for it.
A chance to visit the top of the BT Tower is pretty high up most people's "bucket list" of things to do in London, but how about spending the night sleeping there?