Rivers & Waterways:
From the base game:
From the card compendium:
Bridges:
Sandbags:
Cliffs & Sea Bluffs:
Sea Wall:
Steep Hills:
Wire:
Airfields:
Barracks:
Cemeteries:
Churches:
Dams:
Factory Complex:
Flooded Fields:
Fortresses:
High Ground:
Lake:
Lighthouses: