For any UK-based 'togs (or any other nationality within striking distance of Birmingham) there's a truly fantastic exhibition of Steve McCurry's work on at the Birmingham Museum and Art Gallery:
http://www.bmag.org.uk/events?id=605Apologies if anyone's already posted about this but I couldn't find any reference when using the "search" function.
My wife and I went a couple of weekends ago and, apart from the travel cost, the exhibition is completely free of charge. I have no idea why but this has got to be the best freebie exhibition (apart from the Dorothy Bohm one in Manchester) out there right now.