Sandi Toksvig talks about travel in Tanzania in a programme direct from Dar es Salaam.
BBC Radio 4
Sandi Toksvig investigates northern Australia and the countries on the Tropic of Cancer.
BBC Radio 4 FM
Sandi Toksvig explores Somerset, the Scottish Highlands and the Suez Canal.
Sandi Toksvig looks at Chad, Jewish communities in India and alien environments on earth.