St Mary's Church, Mablethorpe

The sandy seafront town of Mablethorpe has St Mary's Church sitting back from the beach, a solid Victorian structure that's worth ducking into if you're staying at one of the nearby caravan parks. It's not going to blow your mind - this is a functional parish church, all red brick and solid lines, rather than the soaring medieval affair you might find inland. The interior is straightforward Victorian, with the usual pews and altar, nothing particularly elaborate. Most people spend ten, maybe fifteen minutes here at most.

What makes it worth the five-minute walk from the seafront is context. Mablethorpe itself is modest - a proper working seaside town rather than a polished resort - and the church anchors the place. It's the sort of building that tells you how communities actually lived rather than the honeyed heritage version. If you're doing the holiday park circuit around Lincolnshire - whether you're at Haven Golden Sands, Seacroft, or Lakeside Springs - it's a gentle break from the arcade and amusement park routine. Not somewhere to plan an outing around, but perfectly fine if you're already in town grabbing fish and chips or poking about the seafront shops. Families with young kids won't find much to grip them. Church enthusiasts or anyone interested in Victorian seaside life will find it proper useful. Free, obviously, and you can get in most days - just don't expect opening hours or a gift shop.