Discover edinburghs hidden history with the real mary kings close join this 2 hour tour and see and hear how edinburghs old town developed into the vibrant and modern city it is today this extended tour experience runs daily in the afternoons your character tour guide will take you underground for 1 hour to see the buried 17th century streets and homes beneath edinburghs royal mile you will then emerge for a 1 hour overground tour of edinburghs most significant closes and buildings