80: Kildare, Ireland

At 80, you want to go somewhere special, but not taxing; a place where you’ll be stimulated but also catered to. And after all your years of wisdom, you’ve earned the royal treatment. Celebrate at the Kilkea Castle in County Kildare, Ireland. Built in 1880, it’s suited for mature guests, with elevators, onsite dining, spa, golf, fishing, a lazy river, and resplendent surroundings.