If you just want to see them, I suggest train, Inverness to Aberdeen. Train Aberdeen - Haymarket or Edinburgh. Stop at either station for a few hours.
Next day, Glasgow. Several hours at Glasgow Central, but crossing to Queen Street occasionally when West Highland or Inverness / Aberdeen trains are due. Repeat on next day to try and try to catch any you might have missed.
If you also want rides:-
1. Break journey heading south via Aberdeen,
2. Short trips such as Inverness / Dingwall, Edinburgh/Haymarket or Kirkcaldy, etc., short trips out of Glasgow, etc.