Please hover your mouse over the left side tab 'Sightseeing Ideas' to see tabs:
& Grayline Sightseeing Tours
Consider joining Historic Scotland and the National Trust for Scotland, then you will have free entry into all their properties (there are absolutely heaps of places to visit).
TIP 1 Click their links above, to go straight to their membership details pages, for more information.
TIP 2 If you are a member of a National Trust in another country, you may have reciprocal rights for free visits to NTS properties, check before leaving home!