+1 for wikitravel on iPad (or wikivoyage - I don't know which fork has more info these days)
The new offline support in Reading List is really a godsend for this. Just hammer cmd+shift+D on the laptop/desktop while browsing along the wiki, and the iPad will have it all available when you need it.
The new offline support in Reading List is really a godsend for this. Just hammer cmd+shift+D on the laptop/desktop while browsing along the wiki, and the iPad will have it all available when you need it.