as Google have now released most of the UK on street view as well as a number of other countries in Europe, felt like "techno-back-packing".
Interesting things I have seen so far:
old customs building on the French-Spanish border:
http://maps.google.com/?ie=UTF8&t=h&layer=c&cbll=42.805563,-0.418641&panoid=lacELwtJ8c7GNRNnGp19vw&cbp=12,348.76,,0,-0.81&ll=42.805648,-0.418631&spn=0,359.99716&z=19
two roads on the Swedish-Norwegian border:
http://maps.google.com/?ie=UTF8&t=h&layer=c&cbll=59.487369,11.749368&panoid=aYtkShFzpUnuI6M__mWjKw&cbp=12,244.76,,0,-0.44&ll=59.487286,11.749191&spn=0,359.818211&z=13
http://maps.google.com/?ie=UTF8&t=h