Hook Lighthouse
The Hook Lighthouse (; also known as Hook Head Lighthouse) is a building situated on  Hook Head at the tip of the Hook Peninsula in County Wexford, in Ireland. It is one of the oldest lighthouses in the world and the second oldest operating lighthouse in the world, after the Tower of Hercules in Spain. It is operated by the Commissioners of Irish Lights, the Irish Lighthouse Authority, it marks the eastern entrance to Waterford Harbour. The current structure has stood for 846 years as of 2018.
Macquarie Lighthouse
The Head Keeper's Quarters were modified in 1887 after complaints about the standard of accommodation. The western wing of this building was added in 1899. Despite having once been thought to be the "most efficient light in the world", by 1909 it was deemed to be obsolete, unable to cope with the heavy winter fogs. In 1912, following a call to standardise all lighthouses, the electric light at the Macquarie Lighthouse was replaced with a kerosene system. The new fuel was cheaper to run and required just two men to operate. On 1st July 1915 all the ocean lighthouses were transferred to the control of the Commonwealth Lighthouse Service. The two remaining cottages on the site include the head keeper's cottage built on the south side and the assistant lighthouse keepers' semi-detached cottages built in 1881 on the north side (converted into one cottage ). The former is now the oldest intact freestanding lightkeeper's quarters in Australia. Both these cottages are on 125 year Commonwealth leases to end between 2116 & 2119. A third cottage for the engineer and assistants built in 1885 was demolished in 1970 to make way for four townhouses still present on the site.