Dublin's must-sees are mostly buildings rather than attractions built for visitors, and their dates span a long stretch: Christ Church Cathedral dates to 1031, St Patrick's Cathedral to 1191, and Dublin Castle to 1204, while at the other end sit the Spire of Dublin, from 2003, and the cable-stayed Samuel Beckett Bridge, from 2009. In between are the building that houses the parliament of Ireland, a major court complex, the country's largest non-denominational cemetery, a footbridge over the River Liffey, and two theatres that still put on shows at night. This list is for the visitor who wants the city's working spine, not a checklist of photo stops. Several of these places keep tight or split hours, and Sunday in particular can catch you out, so we give the opening times wherever the record has them. Read the times before you set the route. Several places on this list can't be walked into on a whim, and a planned day here beats an improvised one.
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1 Dublin Castle
Castle Street, DublinA castle site dating from 1204, open six days from 09:45 and on Sunday afternoons
From 09:45 Monday to Saturday, and from 12:00 on Sunday, Dublin Castle on Castle Street takes visitors until 16:45. Its record runs back to 1204, and the reference books still file it under one plain word, castle. That plainness suits it. Skip the souvenir-shop version of Irish history sold in the streets nearby and give the castle a proper, unhurried visit. Come on a weekday, when the 09:45 start gives you the whole day, because Sunday visitors lose the morning to the 12:00 opening. Check dublincastle.ie before you go, then walk in with your own questions instead of a script. It rewards the visitor who looks closely and lingers in the courtyard.
Dates from 1204
Hours: Mo-Sa 09:45-16:45; Su 12:00-16:45
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2 St Patrick's Cathedral
Patrick Street, Dublin, D08 H6X3A cathedral dating from 1191 whose split Sunday hours reward a weekday plan
St Patrick's Cathedral on Patrick Street, in the D08 H6X3 postcode, keeps a timetable worth checking before you walk over. Weekdays run 09:30 to 17:00, Saturdays 09:00 to 17:00, but Sunday shrinks to two short windows: 09:00 to 10:30 and 13:00 to 14:30. Dating from 1191, it is still a working cathedral in Dublin, not a stage set. Miss those Sunday windows and you are turned away, so unless you can arrive squarely within one of them, a weekday morning is the calmer, fuller choice. Check stpatrickscathedral.ie for anything that changes the day, then give the interior the time it asks for. Rushing a building this old wastes it.
Dates from 1191
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3 Spire of Dublin
O'Connell Street Lower, Dublin, D01F5P2A 2003 monument that serves as the city's compass point
Dating from 2003, the Spire of Dublin stands on O'Connell Street Lower in D01F5P2 and asks nothing of you but a look upward. It works best as a compass, not as a destination, and it is not worth a special detour. Plan around the street instead, and let the Spire be the thing you steer by when the grid turns confusing and your phone battery is low. A monument from 2003 carries no legends worth queuing for, and that is its appeal: it is free to look at, it never closes in any record we hold, and it never asks you to buy a ticket. Glance up, get your bearings, keep walking.
Dates from 2003
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4 Christ Church Cathedral, Dublin
6 Christchurch Place, DublinA cathedral whose inception is dated 1031, seat of the Church of Ireland diocese of Dublin and Glendalough
At 6 Christchurch Place, Christ Church Cathedral traces its inception to 1031 and serves as the diocesan cathedral of Dublin and Glendalough for the Church of Ireland: you are visiting a church with a diocese still to run. Doors open at 09:30 Monday to Saturday; from April to September closing is at 19:00, and from November to February at 17:00. On Sundays the building works around worship, opening from 12:30 to 14:30 and again from 16:30. We'd skip the Sunday shuffle between those windows and come instead on a summer weekday evening, when the longer hours give you the building at an easier pace. Confirm times on christchurchcathedral.ie before you set out.
Dates from 1031
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5 Leinster House
Kildare Street, Dublin, D02 XR20The building that houses the parliament of Ireland, open weekday middays
Leinster House on Kildare Street, D02 XR20, opens between 10:30 and 15:30, Monday to Friday. It houses the parliament of Ireland and dates from 1748, which means the politics you read about in the papers happen behind old stone. The record lists no Saturday or Sunday hours, making this a weekday errand, not a lazy-Sunday one. The window is short: five weekdays and a few midday hours, so we'd put it first in your morning rather than squeezing it in late. A working parliament building tells you more about the country than any heritage centre built to explain it.
Dates from 1748
Hours: Mo-Fr 10:30-15:30
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6 Glasnevin Cemetery
Finglas Road, DublinThe largest non-denominational cemetery in Ireland, dating from 1832
Glasnevin Cemetery on Finglas Road opened in 1832 and is recorded as the largest non-denominational cemetery in the country; that open-door founding principle is the lens to bring with you. Skip the costumed ghost tours in the city centre. This is where the real dead lie, and they tell a better story without the theatrics. Keep the 1832 date in mind as you walk; it frames the place as the city's own record rather than an antique curiosity. Wear proper shoes, give it a long morning, and read the headstones slowly. A cemetery this size punishes the visitor who tries to tick it off in twenty minutes between other sights.
Dates from 1832
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7 St Mary's Cathedral
Marlborough Street, DublinAn 1825 church on Marlborough Street, the city's pro-cathedral
St Mary's Cathedral holds its ground on Marlborough Street, dating from 1825, and its website goes by procathedral.ie, a name that tells you it is no ordinary parish church. It is listed simply as a church in Dublin, and that modesty suits a building you can step into straight off a busy street. We wouldn't save it for a grand set-piece visit; drop in on your way past, sit for ten minutes, and let the noise outside fall away. Anyone who thinks Dublin's churches all belong to a distant past should note that 1825 date. The calm here comes cheap and quick.
Dates from 1825
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8 Four Courts
Inns Quay, DublinA major working court complex on Inns Quay, dating from 1796
The Four Courts on Inns Quay dates from 1796, and the first thing to understand is that this is where the law is handled: a working court complex, not a heritage attraction with a gift shop. Don't bother with an indoor agenda. The case for coming is the building itself, taken in from the quay, and the sense that a city's justice is still handed down behind a frontage from 1796, so pair it with a riverside walk and keep your camera discreet if proceedings are under way. The record carries no visitor hours, so treat it as an exterior sight and you won't be disappointed. Few capitals let you stand this close to their working courts.
Dates from 1796
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9 Samuel Beckett Bridge
A cable-stayed bridge from 2009, best walked at dusk
The Samuel Beckett Bridge is a cable-stayed crossing in Dublin dating from 2009, and it represents the newest kind of landmark this city makes: engineering that doubles as a sculpture you can walk over. Skip the midday photo stop from the far bank. Come at dusk instead, when the cables read as lines against the sky and the crowds have thinned, then walk it end to end, turn back, and look again from the water's edge. A bridge from 2009 has no centuries of lore to lean on, so it has to win you over on line and proportion alone, and it does. Give it fifteen unhurried minutes and it earns its slot on any first visit.
Dates from 2009
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10 Gaiety Theatre
46-50 King Street South, DublinAn 1871 theatre building on King Street South, best experienced from a seat on show night
The auditorium is the reason to book the Gaiety Theatre at 46-50 King Street South. Dating from 1871, it is a building where you are paying as much for the room as for whatever is on the bill, and that puts it well ahead of the glass-box venues that could sit in any city. Don't treat it as an exterior to photograph. The point is to be inside with the lights going down, which means checking gaietytheatre.ie for the current programme, booking a seat for an evening, and arriving early enough to take in the house before curtain-up. A night here gives you a different Dublin from the one you see by day.
Dates from 1871
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11 Ha'penny Bridge
An 1816 footbridge over the River Liffey
Foot traffic tumbles across the Ha'penny Bridge, a footbridge over the River Liffey that has been doing exactly this since 1816: getting people from one bank to the other on foot. Avoid the midday shuffle, when every group stops in the middle for the same photograph. The locals cross it early or late, when you can pause at the crown, look along the river, and keep moving. Two hundred-odd years of footsteps sit behind that 1816 date, and the bridge wears them lightly. Don't plan an hour here. Plan to cross it twice, once each way, at either end of a day.
Dates from 1816
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12 Olympia Theatre
71 Dame Street, Dublin, D02 YH90An 1879 concert hall and theatre on Dame Street
Concerts and plays share the bill at the Olympia Theatre, 71 Dame Street, D02 YH90. The house dates from 1879, so whatever you catch here plays out in a room that has seen a few thousand nights before yours. That intimacy is the point: no arena where the act shrinks to a silhouette under a screen, but a stage close enough to read faces. Check 3olympia.ie for listings and pick your night by the act rather than the date, since the programme shifts between music and theatre. Book ahead, arrive early enough for a drink, and stay to the end. We'd put a night at the Olympia near the top of what this city offers after dark.
Dates from 1879
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