[QUOTE=UKtravelbear;24707670]Tautology - basically redundant words of the same meaning.
'PIN Number' is another as the N already stands for number. As is saying 'She has the HIV Virus'
...that's an example of the recursive acronym syndrome...or RAS Syndrom
Another vote for Chicago. It's the perfect mix of architecture, culture, grittiness and fantastic outdoors. A bit like GLA, actually (another favourite of mine).