The Social Life

Sue Perkins goes on a journey along one of the most contentious borders in the world.

Antiques expert Richie Marcello seeks museum-quality relics in every corner of the globe.

A visit to Spain takes in the Moorish palaces and flamenco culture of Andalucía. Stops include Granada, Córdoba, Costa del Sol, and Tarifa, which is known for windsurfing. The tour also takes in Britain's Rock of Gibraltar and the Moroccan city of Tangier, across the Strait of Gibraltar. Also: a visit to northern Spain follows a centuries-old pilgrim trail from the French-Spanish border to Santiago de Compostela.

Bobby Flay embarks on a food tour of Ireland, starting at Darina Allen's Ballymaloe Cookery School in Cork. Later, he explores Dublin's changing culinary scene with Chef Clodagh McKenna.

Following his travelogues on the Caribbean, Mediterranean, Mississippi, Las Vegas and last year's visit to South Africa, the former newsman embarks on yet another epic journey this week in ITV's two-parter Trevor McDonald's Indian Train Adventure.

"Traveltalks" visits Minnesota and follows a stretch along the Mississippi River, from Winona to its source in Itasca. Other stops include the capital, St. Paul; Rochester; Hibbing; and Duluth. Also: Bemidji, site of larger-than-life statues of folk hero Paul Bunyan and his ox, Babe.