NS Geocaching Passports
Gulf of Maine Geotour (geocaching.com page) - 25 caches, 5 in NS .
Cape Breton Highlands National Park (passport for both at Cheticamp or Ingonish Visitor Centre)
Kejimkujik Passport (link to English PDF)
Passeport de Kejimkujik (link to French PDF)
Nova Scotia Hidden Histories (this passport is part of Atlantic Canada's Hidden Histories GeoTour, below)