Some of my travel money is here
https://wealth.barclays.com/en_gb/ho...r-account.html
I am looking at Lloyds, as I do bank with them as well. I am just otherwise occupied at the moment.
http://international.lloydsbank.com/...rrent-account/
If you are really flush, or one of their perceived customers than coutts.
http://www.coutts.com/private-bankin...urrency-cards/