Discover the best of the emerald isles 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 dublins 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 patricks cathedral and of course the