Ontario

• Bat Cave
• Bonnechere Caves
• Bruce's Caves
• Colonial Adit Underground Mine Tour
• Diefenbunker
• Duncan Escarpment
• Elliot Lake Nuclear and Mining Museum
• Greig's Scenic Caves
• Mindemoya Cave
• PATH
• Scenic Caves
• Simpson Copper Mineshaft
• Sudbury Mining Museum
• Timmins Underground Gold Mine Tour
• Toburn Mine
• Tyendinaga Cave
• Warsaw Caves