Carrowdore Castle

A stubborn stone tower rises from fields outside Newtownards, and that's essentially Carrowdore Castle - a 15th-century stronghold that's been left to the elements for centuries. It's not Instagram gold, but there's something proper compelling about standing beside a fortress that's survived five hundred years of Irish weather without anyone bothering to tidy it up.

What you get is a square tower, maybe three storeys of exposed stonework, surrounded by the kind of overgrown grounds that make you feel like an actual archaeologist rather than a tourist following a map. There's no entrance fee, no visitor centre, no one taking your money - it's just there, accessible from the roadside near Greyabbey. Bring sensible shoes if you want to poke about the perimeter; bring a camera if you're into weathered masonry and sky.

Historically-minded visitors will find this worthwhile, especially those interested in Tudor-era Ulster power structures. Kids under ten might lose interest quickly unless they're the type who enjoy clambering about ruins. Allow 30 minutes if you're thorough, 15 if you're just passing through.

It pairs well with a stay at Sandycove Holiday Park, only 2.5 miles away - close enough for a quick detour without eating into proper holiday time. Springvale, further out at 4.6 miles, works too if you're exploring the broader Ards Peninsula. The castle's the sort of stop that makes sense between other activities rather than a destination in itself.