Spain and Spanish

Mundo Hispanico : good Spanish school in Hamburg Malaca Instituto : good Spanish school in Malaga
CRTVG : nice web cams and infos about Galicia Barcelona : infos, maps, etc.

Physics

Neutrinos@IFAE : my current working group FLC : my previous working group
arXiv.org : Preprints T2K Geneva : group from the University of Geneva

Private Homepages

Nicolas Abgrall : attempt of a homepage ;-) Marie di Marco : much, much better :-D
FI : Faustball-Informationen Markus Ball : old colleague

Miscellaneous

Foto Behns : photos from Lüneburg, very nice! BILDblog : very interesting!
Surfmusik : several thousand web radios