Early motor showroom built in a grandiose style

7km long narrow gauge railway that conveys pipeline bundles for the North Sea. 

A 60 mile navigation through the Great Glen, designed by Thomas Telford and William Jessop, principally to boost the local economy and enable safer movement of the fishing fleet. Opened 1822

From its opening in 1903 until the last train left in September 1965, the magnificent red sandstone hotel built by the Caledonian Railway at the west end of the Scottish capital's famous thoroughfare fronted Edinburgh Princes Street Station.

The largest viaduct in Britain to be constructed of  concrete blocks and notable for its slender proportions.

Remarkable conjunction of a rail viaduct over a road bridge over a river 

Only surviving example of an early station practice of operating trains from a single platform

(formerly Camden Town) Opened 1870, one of six Italianate stations designed by Edwin Henry Horne for the fast-growing North London Railway