Milford Sound is a bay in the south-west of the South Island of New Zealand, part of the Fiordland National Park and recognized by UNESCO as a World Heritage Site. The bay stretches for 15 kilometers deep into the earth, surrounded by high mountains covered with green forests. It is characterized by crystal clear waters and many waterfalls that leap from steep cliffs. Milford Sound is known for its beauty and unique natural atmosphere, attracting tourists from all over the world for cruises around the bay, hiking and wildlife watching, including penguins and seals living in these waters.