Dublin is the most happening place and the leading town in Ireland. Dublin has a bouquet of surprises to the touring vacationers and this peppy city is positioned on the east coast of the Liffey river. This city has won many accolades like one of the top five richest cities in the world and ranked as third most costliest city to live.Another reason that encourages Dublin tourism is the mild climate all through the year with chilly summer and cool not icy winter. Trinity College is located at the centre of the city, so it is easily accessible! Kilmainham Gaol is located in Inchicore, just at the outskirts of Dublin city. This ancient jail is a great place to begin with if you want to discover about Irish history. Dublin Castle rests conceitedly in the oldest part of Dublin city - the Christchurch region. The novel fortress was originally built by King John of England as a defensive structure and it was the focal point of British rule in Ireland until about 1922. No holiday in Dublin is absolute without a visit to the home of the 'black stuff'. An outing of this museum will give you an incredible insight in the making and brewing of Guinness. Ireland's biggest zoo at Phoenix Park, Dublin Zoo is located on the western part of the city centre. It declares to be one of the vibrant zoos and houses over 235 diverse classes of animals and birds.