https://www.pbs.org/show/secrets-of-great-british-castles/
Secrets of Great British Castles | PBS
Presented by Dan Jones, this series brings you behind the scenes of Britain’s greatest castles.
great british castlessecrets
https://www.pbs.org/video/carrickfergus-0t5wae/
Secrets of Great British Castles | Carrickfergus | Season 1 | Episode 6 | PBS
May 8, 2015 - Historian Dan Jones visits Carrickfergus Castle.
great british castlessecrets