What is the most significant place Nora visits via the Midnight Library in the novel, The Midnight Library?

The most significant of all the places which Nora visits via the midnight library would be Cambridge, where she lives with Ash and Molly. It is the only dream-life in which she manages to feel truly happy. For Nora, Cambridge symbolizes everything she is missing in her root-life: love, security, fulfilment, and interdependence.