What to Expect from Wales

This morning I'm jumping on a train and heading to Wales.  Now I don't know much about Wales at all.  In fact, all I do know about Wales is this... http://www.youtube.com/watch?v=FYN2hxFH5rQ But, I'm being unfair.  There are plenty of other famous people that hail from Wales - Tom 'What's New Pussycat' Jones, Shirley "Hey Big Spender' Bassey, [...]