It's sometimes the little things that make a big difference; and the UK's smallest city, St. Davids, with a population of 1,500 nestled on the west coast of Wales, is a fine example. Despite its diminutive size, great things have taken shape around the cliffs, beaches, streets, and churches of this ancient community.

Named after the locally born Saint David, it became an important place of Catholic pilgrimage. Many still travel to the cathedral, but other types of pilgrims now arrive for eco-friendly pursuits on the coastline surrounding the Pembrokeshire Coast National Park. Sea kayaking, surfing, sailing, and walking attract those wanting ...