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Dublin's Catholic cathedral, built in 1825. Catholicism was always the majority religion in Ireland, but its practice was forbidden until the 19th century. The official cathedral is Christ Church, so designated by the Pope in 1300, but taken over by the Protestants in the 16th century. When the laws relaxed, St Mary's was built in neo-Classical style as a temporary or "pro"-cathedral, until such time as the Pope decrees otherwise or the Protestants hand back Christ Church. Neither event appears imminent.
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The GPO is the headquarters of the Post Office in Ireland, built in Neo-Classical style 1814-1818. In 1916 it was occupied by Irish rebels led by PH Pearse, who read the Proclamation of the Republic outside the front door of the building. The interior was burnt out by shelling from government forces against the rebels, but the exterior survived. Subsequently the GPO was restored, reopening in 1929, and remains a busy working post office. The museum within it is a multimedia exploration of the Easter Rising.
National Theatre of Ireland
Opened in 1904, and always at the centre of the Irish drama scene, the Abbey is a good venue for catching local playwrights' work but with a global repertoire. It's intended to replace the current building with two new theatres fronting onto the Liffey. This will mean a lengthy closure, but the work has not started.
This has a focus on European and American theatre ranging from classics to modern plays. It was established as a theatre company in 1928 by Hilton Edward and Micheál MacLiammóir.
Sir Hugh Lane (1875-1915) was one of the first collectors of modern art. He died in the sinking of Lusitania and this public gallery reflects his Will, which involved about as much negotiation, fudge and compromise as the Treaty for Irish independence. The permanent exhibitions are mostly contemporary Irish artists, plus Francis Bacon's studio, relocated from London in 2001. Charlemont House was built in 1763 and in 1929 its gardens were built over to create the gallery, which is wheelchair accessible.
Safe space for LGBTQ+ people, with community café, social and cultural events, resources and support services, a queer library, theatre and meeting spaces.
Many Dubliners lived in buildings like this. Built in the 1740s, its first occupant was Lord Viscount Molesworth and his family, and after him came a series of Right Honorable This and Viscount That and Bishop of Wherever. But the union with England in 1801 drained power and money to London, and the neighbourhood went downhill. Rural folk flocked to Dublin after the famine, so the building was broken up into tenements, with 100 living here. From the 1930s the inner city drained out to new suburbs, and No 14 fell derelict in 1970 before being preserved. Visit by guided tour.