York Unlocked is an educational and reference application designed for iPhone users, offering a unique opportunity to explore significant buildings in York at no cost. This event, set for October 5th and 6th, 2024, transforms the city into an open-air architectural festival, allowing both residents and visitors to engage with the rich history and design of York's structures.

The program aims to foster a deeper appreciation for architecture by providing access to notable sites that are usually closed to the public. It serves as an inspiring platform for learning and experiencing the cultural heritage of York, making it an essential tool for anyone interested in the city's architectural landscape.