Dublin is one of those cities that feels instantly welcoming. It’s lively, historic, and surprisingly easy to explore in a short amount of time. In fact, if you only have 24 hours in Dublin, you can still experience many of the city’s best sights — from Trinity College and the Book of Kells to historic cathedrals, lively pubs, and the famous Guinness Storehouse. We originally discovered this while planning flights to Europe with our family. Flights to Dublin from New York were often much cheaper than flying directly to other European cities, so we started building time in Dublin...