Which fiord in the South Island, also known by its Māori name Piopiotahi, is one of the country's most visited tourist destinations and was described by Rudyard Kipling as the 'eighth wonder of the world'?

• A Doubtful Sound
• B Dusky Sound
• C Milford Sound ✓
• D Queen Charlotte Sound

Milford Sound / Piopiotahi, within Fiordland National Park, features sheer cliffs rising over 1,200 metres from the dark waters, with Mitre Peak being one of the most photographed mountains in the country.