Walk down O'Connell Street, past the 'Whore in the Sewer' (as named by the locals, the reclining female nude statue in the middle of the wide street) and stop off for a pint - or a half - at one of the large public houses. Ask for a Guinness stout - great for iron content, useful for pregnant women or those who suffer from low blood pressure - or an india Pale Ale, very refreshing on a warm day. Look around at the tall mirrors, the polished brass and giant-sized engraved windows with Victorian brand names or a choice of 'wines, spirits and fine ales'. Fancy a 'chaser'? Ask for a single - all right, double if you fancy - Bushmills. A handsome Irish whiskey (note the difference in spelling, Scots is 'whisky', Irish is 'whiskey', both are roughly 'water of life' - I don't know the Gaelic spelling).
Walk on along the street, past the big shops. I stopped for a sandwich when i was there. On towards the Liffey, over the O'Connell Bridge and turn right opposite the row of shops and pubs to the 'bowed' pedestrian Penny Bridge, - there was a penny toll, hence the name. At its apex, you'll be at the highest point in the city without climbing stairs or taking a lift. Turning right again brings you back, past more pubs and shops to O'Connell Street. There's plenty to see for the size of the city, established by the Danish Vikings in the 10th Century. Like York, Dublin is awash with Norse blood. It's the next best thing to being in Scandinavia!