Lyveden New Bield - Credit: Wikimedia Commons
Lyveden New Bield (sometimes called New Build) is an unfinished Elizabethan summer house in the parish of Aldwincle in North Northamptonshire, England, owned by the National Trust. It is a Grade I listed building, classing it as a 'building of exceptional interest.' Read more on Wikipedia
Source: en.wikipedia.org