01/11/2014 GMT

On The Travel Show this weekend presented by Ade Adepitan, we're in Portugal finding out why there's a tale of two cities in Porto. Christa Larwood's in Denmark with the boy band who've found success in a bottle, and we'll bring you our top tips from around the world in Global Guide, including events commemorating the fall of the Berlin Wall, a Bald Eagle Festival in Canada, and contemporary art in Istanbul.