The thought of exploring the ancient churches scattered across small villages and hamlets in the 100-square-mile Romney Marsh in Kent, a history-rich county in southeastern England, was alluring enough to bring me across the pond. Admittedly, church touring seems like an uncommon vacation, but it’s a relatively popular English pastime that seems to be right up there with gardening, at least judging by the scores of guidebooks written for those who chase steeples, stained-glass windows, and architectural details dating back more than a thousand years to the Normans and Saxons. Of the Romney Marsh’s 14 churches—distinct even in a country with thousands of quaint churches—St. Thomas Becket Church in Fairfield stands out, not least because getting there is an adventure in and of itself. It required me driving down one-lane country roads, where semi-trucks or “lorries,” as they say on these shores, seemingly came out of nowhere and forced me …