Want to know everything about Guinness, from barley seed to glass? The Guinness Storehouse have been making the stout that is now synonymous with Ireland since 1759. If you’ve ever been curious about how the black stuff is made, a visit to the Storehouse is a definite must. The former Guinness fermentation plant has been remodelled into the shape of a giant pint of Guinness.With 7 floors of interactive experiences, this is Ireland’s most popular tourist destination.The self-guided tour finishes in the Gravity Bar, which offers a 360-degree view of Dublin City. Soak up the views while supping on a pint of perfection.