Three of the arches making the Ribblehead viaduct. This is part of the lovely and historic Settle–Carlisle Line of railroad tracks through Yorkshire and Cumbria countryside. This particular area is within the Yorkshire Dales national park and is popular with walkers as well.

https://en.wikipedia.org/wiki/Ribblehead_Viaduct

http://www.yorkshiredales.org.uk/

https://en.wikipedia.org/wiki/Yorkshire_Dales