If you have an interest in railways then a number of websites provide some very interesting information, one that relates specifically to West Yorkshire is
Locally a somewhat unique line ran between Bradford, Halifax and Keighley, what made it unique was the station at Queensbury which was the point at which the lines from Bradford, Halifax and Keighley met. Queensbury station was triangular in shape with platforms on all three sides of the triangle. Queensbury station was connected to Halifax by a deep tunnel, the following organisation is aiming to re-open the tunnel for use as part of a cycle route.
Going further outside of our immediate area another website is
Another one which may be of interest is