St Demetrios Greek Orthodox Church

The Byzantine dome of St Demetrios rises unexpectedly from the Hertfordshire suburbs, a proper jolt of Mediterranean colour if you're camping nearby at Lee Valley. This is a Greek Orthodox church, and stepping inside feels like crossing a border - all golden icons, incense, and that particular quality of light that comes through Orthodox candles rather than standard church windows.

It's not a major tourist draw, which is rather the point. You'll spend twenty minutes here, thirty if the interior genuinely moves you. The architecture and artwork reward close looking, especially the iconography if you know what you're looking at. Families with older kids might get something from it; younger ones will fidget within ten minutes.

The church serves London's Greek Orthodox community, so opening hours aren't necessarily visitor-friendly - best to ring ahead or check if there's a service on. It's free to enter when open, though a quiet donation feels appropriate.

What makes it worth the detour from Lee Valley Camping is precisely that it's not a theme park attraction. If you're after an actual cultural moment rather than another visitor ticked off a list, this delivers. It's ten minutes from Edmonton by car, which puts it within reach of a longer day out. Theobalds Park and Fowley Mead are closer for day trips if you want something with more obvious family facilities, but St Demetrios works as a genuinely different experience - the kind of thing you remember because it wasn't what you expected to find.