Delve into a site that saw a great deal of action during the Wars of Independence with England. Bothwell Castle, built on a grand scale in the late 1200s, was hotly fought over.
Reach this very special tidal island by causeway to explore Pictish, Norse and medieval remains.
Roam among the megaliths at one of Scotland's most magnificent Neolithic monuments.
Unravel the two very different tales of this medieval tower house, a noble residence turned army base.
Seek out the unusual defences of the last great private stronghold built in Scotland, including its rare caponier or shooting gallery.
Visit a stronghold that stood at the heart of an ancient kingdom covering the area now known as Strathclyde.
See the mighty hilltop castle built by Robert II in the 1370s, soon after he came to the Scottish throne.
Explore mighty coastal defences built during the Napoleonic Wars but destined never to see action.