City Sightseeing Dublin offers access to two routes to the best spots in the city. Begin the adventure and hop on the open-top bus at 13 Upper O'Connell Street. Both the Blue and Red Line take you to some of the most fascinating landmarks and buildings that make Dublin a very unique city. Hop off at Bus Stop 3 to explore the beauty of Nassau Street or for those who love art, hop off at Bus Stop 5 and visit the National Art Gallery. Visit two of the most well-known cathedrals in Ireland. The Christ Church Cathedral at Bus Stop 11 and St Patrick's Cathedral at Bus Stop 12. If you really want to experience the Dublin lifestyle, quench your thirst with a nice, cold pint of Guinness, freshly made from the Guinness Storehouse at Bus Stop 14. Bus Tour allows you to hop on and off any line whenever you want to so plan your journey at a pace that suits you!