I found a really useful article this morning when I was doing my morning trawl. Just a neat list of things to see and do in the UK, which is useful if you're travelling from the US and want to do as much as possible on your vacation! Enjoy 
http://www.financechoices.co.uk/blog/101-free-things-to-do-in-the-uk/
http://www.financechoices.co.uk/blog/101-free-things-to-do-in-the-uk/
