The British Museum has a collection of beautiful watercolour panoramas by Wenceslaus Hollar. These are all copyright British Museum, who will charge 'an arm and a leg' for you to reuse them.
One set is listed under 1932,1103.1-6
The other under SL 5214.14-21
A search of Hollar Tangier will bring up several other prints, all of which can be seen elsewhere on the internet,