Here's a few GIGApixel pictures, they're huge and you can zoom in to quite some detail.
http://www.haltadefinizione.com/magnifier.jsp?idopera=9
http://www.haltadefinizione.com/magnifier.jsp?idopera=12&lingua=it
http://www.haltadefinizione.com/magnifier.jsp?idopera=15&lingua=it
http://www.haltadefinizione.com/magnifier.jsp?idopera=1
http://www.gigapan.org/gigapans/66626/
http://www.gigapan.org/gigapans/58857/
http://www.gigapan.org/gigapans/59267/
http://www.gigapan.org/gigapans/54825/
http://www.gigapan.org/gigapans/48492/
http://70gigapixel.cloudapp.net/
http://www.gigapixel-marburg.de/
http://www.sevilla111.com/
http://www.360cities.net/london-photo-en.html
http://photoartkalmar.com/Photoart Kalmar high res/Gigapixel/Vienna 50 Gigapixel/Donauturm.html
http://www.swissalps-31-gigapixels.com/
http://www.paris-26-gigapixels.com/
http://www.dresden-26-gigapixels.com/
http://www.roumestan-photo.com/EN/Portfolio/Gigapixel/CarriereGrandsCaous.htm
http://www.360cities.net/prague-18-gigapixels/
http://www.yosemite-17-gigapixels.com/
http://www.roumestan-photo.com/Portfolio/Gigapixel/Megeve15g/
http://www.harlem-13-gigapixels.com/
http://www.haltadefinizione.com/magnifier.jsp?idopera=9
http://www.haltadefinizione.com/magnifier.jsp?idopera=12&lingua=it
http://www.haltadefinizione.com/magnifier.jsp?idopera=15&lingua=it
http://www.haltadefinizione.com/magnifier.jsp?idopera=1
http://www.gigapan.org/gigapans/66626/
http://www.gigapan.org/gigapans/58857/
http://www.gigapan.org/gigapans/59267/
http://www.gigapan.org/gigapans/54825/
http://www.gigapan.org/gigapans/48492/
http://70gigapixel.cloudapp.net/
http://www.gigapixel-marburg.de/
http://www.sevilla111.com/
http://www.360cities.net/london-photo-en.html
http://photoartkalmar.com/Photoart Kalmar high res/Gigapixel/Vienna 50 Gigapixel/Donauturm.html
http://www.swissalps-31-gigapixels.com/
http://www.paris-26-gigapixels.com/
http://www.dresden-26-gigapixels.com/
http://www.roumestan-photo.com/EN/Portfolio/Gigapixel/CarriereGrandsCaous.htm
http://www.360cities.net/prague-18-gigapixels/
http://www.yosemite-17-gigapixels.com/
http://www.roumestan-photo.com/Portfolio/Gigapixel/Megeve15g/
http://www.harlem-13-gigapixels.com/