The hot springs of The Cave and Basin National Historic Site of Canada in Banff National Park. The hot springs of The Cave and Basin National Historic Site of Canada in Banff National Park, with snow-capped mountains in the distance. The hot springs of The Cave and Basin National Historic Site of Canada in Banff National Park. The hot springs of The Cave and Basin National Historic Site of Canada in Banff National Park. The building that houses the hot springs of The Cave and Basin National Historic Site of Canada in Banff National Park.