Ride a double-decker bus through Dublin, hopping on and off at the destinations that interest you the most. The beauty of this tour is that it allows you to linger at the attractions that sound most intriguing, so you will never feel rushed or compelled to leave. The buses operate throughout the day and make continuous loops around Dublin, taking you to the must-see landmarks. Once onboard, you will receive a route map that explains the two dozen destinations on the Red Loop, making it easy to choose your favorite ones. You might hop off at the National Gallery of Ireland, the Irish Whiskey Museum, Dublin Castle, Christ Church Cathedral and Trinity College, home to the priceless Book of Kells. The offerings are so diverse that whatever your interests, you will surely find attractions that match them. You also have the option of staying on the bus the entire time it loops through Dublin.