Discover the best of the Emerald Isle?s ancient capital on this City Sightseeing hop-on hop-off bus tour of Dublin. Opt for a 1- or 2-day ticket and choose from two different routes through the city. Explore Dublin’s historic buildings and vibrant nightlife at your leisure. Hop on and off the open-top buses at any of the 28 stops throughout the capital. Admire top city highlights such as the Old Jameson Distillery, Dublin Castle, the National Art Gallery, St Patrick?s Cathedral and of course the world-famous Guinness Storehouse.