Leinster House

This opulent Georgian mansion is in the same block as the Archaeology Museum. Designed by Cassels, it was built in 1745 as the residence of the Duke of Leinster at a time when the southside was unfashionable. It proved an "anchor development" and Dublin's centre of power and culture soon gravitated from the northside. From 1922 it became the temporary base of the Oireachtas, the Irish bi-cameral parliament, and like the Ulster border it remains temporary over a century later. Tours are only available if you're sponsored by a TD or senator.

• museum

Address

Kildare Street D02 TK75

Website

oireachtas.ie (opens in a new tab)