The fountain in Triton Lake is based on the fountain in the Piazza Barberini in Rome; Tara's Palace Museum of Childhood relocated from Malahide Castle near Dublin to Powerscourt in 2011 with Tara's Palace being one of the greatest dollhouses in the world
O’Connell Street is the widest street in Europe (the Champs Elysees is the widest avenue in Europe) with the O'Connell bridge over the River Liffey the only traffic bridge in the Europe that has the same width as its length