The New Town is a central area of Edinburgh, the capital of Scotland. It is often considered to be a masterpiece of city planning and, together with the Old Town, was designated a UNESCO World Heritage Site in 1995. It was built in stages between 1767 and around 1850, and retains much of the original neo-classical and Georgian period architecture. Its most famous street is Princes Street, facing  Edinburgh Castle and the Old Town across the geographical depression of the former Nor Loch.