The wyllieum

The Wyllieum stands as a peculiar monument to Victorian ambition just outside Helensburgh, and it's the sort of place that makes you stop and ask what on earth you're looking at. Built in the 1880s, this distinctive red sandstone tower was constructed as a private residence - though calling it a residence feels like underselling the sheer oddness of the thing. It sits there, unapologetically grand and vaguely fortress-like, a reminder of the era when Argyll's wealthy industrialists were building increasingly elaborate statements about their success.

You won't spend hours here. Honestly, twenty minutes circling the exterior is about right for most visitors. But it's worth a quick detour if you're staying at Rosneath Castle Caravan Park - that's only three and a half miles away - and you've got an afternoon to fill. The tower itself is best appreciated from the outside; you get the real sense of Victorian eccentricity from distance. Photographers will find it interesting, and history buffs who appreciate Scotland's industrial-era architecture will appreciate the craftsmanship, even if the overall effect is a bit imposing.

There's something refreshingly honest about a landmark that doesn't pretend to be something it isn't. It's not a castle, not a folly exactly, just a wealthy person's bold architectural choice from over a century ago. Come for the curiosity value rather than expecting a major attraction, and you'll leave satisfied.