Barney's Barrier Reef

Julia explores historic Cockatoo Island, where the first convicts landed in Sydney harbour. Now it is a popular glamping destination. Julia escapes the island to join an early morning commute to work - Sydney style - by boat. At Bondi Beach, she joins the forty-strong life guard team on beach patrol. The only female member of the team, Julia Bahr-Thompson, shares her stories of dramatic rescues. Then it's time to explore the city's edgy side in Surry Hills, where tattooist to the stars Rhys Gordon explains Australia's unique tattoo history.

Dressed in a kimono and already confused by which slippers he's supposed to be wearing, Tony is bemused by Japan from the moment he arrives. Starting in the southern island of Kyushu, Tony embarks on a train-filled journey through the country. To cover the huge distances in time, Tony jumps on the legendary Japanese bullet train and is soon hurtling along at 322km/h.

The explorer and his guide journey by any means available deeper into the badlands of Dagestan, a region of Russia that the British Foreign Office warns against visiting.