In honour of whatever's going on in the news, here is a link to an etymological map of Europe. You can zoom in and out just by clicking.
I don't guarantee all their etymologies - my Oxford Dictionary of British Place Names has London down as place by an unfordable river - but most of them look right to me, and it's all rather fun.
In the spirit of hands-across-the-North-Sea and cuddling up to our continental brethren, I would like to direct you to this review of The Horologicon in Dutch. There is much that confuses me.
As they approached the T-junction, the Inky Fool explained the advantages and deficiencies of his map to the driver.