I don't find it odd. I find it more odd that some people find it odd. But as you say, these things make themselves more easily felt if you are quiet, not distracted. There are places you just feel bad. Archaeologist and water witcher Tom Lethbridge suspected there is often underground water in these places, or even visible water as with the bad creek on the beach at Ladram Bay. He suggested in the book mentioned above there is a kind of electro magnetic effect, detected in the amygdala and translated as a disagreeable supernatural experience. Which does not mean it isn't 'real.' In that house I mentioned, I knew nothing of the history at the time, thought it was a nice house. A holiday property in Suffolk, it used to have a well in Norman times, apparently. There's a place in the Cairngorms, the Lairig Ghru, notorious for this bad feeling, soldiers have often gone there for exercises and fitness training, and then there is the phenomenon known as The Grey Man of Ben Macdhui. It may be a meteorological effect but it's famously a nasty sensation. It frightened the bejeezus out of a very well known mountaineer once, apparently: Chris Bonington.