Scotland has many historical places of interest, from castles and castle ruins, architecture, battlegrounds, etc. Here are the places surrounding Fortrose and Hillhaven that might be of interest to you.
Fort George is an impressive army barracks built after the Battle of Culloden in 1746. Still operational, Fort George is also a 4 star visitor attraction and is a must see.
Fortrose Cathedral, built between the 1250's and 1300, now sits in ruins in Fortrose's cathedral square. An impressive building.