The Glenesk Viaduct in Dalkeith, that goes over the north river esk which runs through dalkeith, i haven't spent much time in the area but i will be going back as i enjoyed the walk along the river.

Glenesk Viaduct - Dalkeith visitor guide showing a virtual tour of 'Glenesk Viaduct' linked to an interactive map with local and travel information. 360° panoramas from Lothian.