This is a list of the present and extant Barons (Lords of Parliament, in Scottish terms) in the Peerages of England, Scotland, Great Britain, Ireland, and the United Kingdom. Note that it does not include those extant baronies which have become merged (either through marriage or elevation) with higher peerage dignities and are today only seen as subsidiary titles. For a more complete list, which adds these "hidden" baronies as well as extinct, dormant, abeyant, and forfeit ones, see

The following are amongst the oldest buildings in the world that have maintained the requirements to be such. Occupation sites with older human made structures, such as those in Göbekli Tepe do exist, but the structures are monuments and do not meet the definition of building (which can be seen above). Many of the buildings within the list contain primarily bricks, but most importantly maintain their walls and roofs. There are numerous extant structures that survive in the Orkney i…