Have you walked around Kings cross?
I often find myself walking around and thinking how not that long ago it was an entirely different place.
These days it is a rather interesting area full of interesting (and some ugly) buildings. Many heritage memories (like these gas holder structures) and safe to walk around even during the night
There even is an architectural self guided tour : https://www.ucl.ac.uk/ramble-london/sites/ramble-london/files/Kings_Cross_Lft.pdf