George Clarke's National Trust Unlocked

The presenter heads to one of Britain's grandest 17th-century powerhouses - the decadent Ham House - and learns about the remarkable matriarchs who put it on the map, before exploring the Thames-side formal gardens that surround it. Plus, George has a private tour at the modernist Hampstead home of one of his heroes - architect Erno Goldfinger, the man thought to have inspired James Bond's nemesis.