The tour describes the regime in Scotland's only "Convict" prison.The tour describes how it housed Britain's first "state owned" railway and you will see former carriages and fittings, that were used in the railway.The tour describes and shows visitors how the famous SAS were used to end a dramatic 4 day siege in 1987.The tour will walk you through 125 years of turbulent history of Scotland's only high security prison.The tour will tease all your senses, from the visual, to the audio and olfactory leaving you thinking an inmate might just walk round the next corner.The tour is now a multi award winning visitor attraction and graded as a 5* attraction by Visit Scotland.