Is that Mary Queen of Scots home,Mugaboo? Incredibly preserved!
No, It was built by the Vaux family in the mid 13th century. Then in 1515 it passed by marriage to the Ruthven family. It was William Ruthven who kidnapped the future King James 1 in 1582 (Although he was held at Huntingtower rather than Dirleton). It's life came to an end in 1651, after Cromwell's army damaged it with cannons during its capture.
This is of Dirleton Castle's gardens. Dirleton used have the longest herbaceous border in the world, until Kew Gardens built one longer in 2015.