Nagasaki is a city in Japan with a rich history and culture. Here are some things to do in Nagasaki based on the search results:

1. Visit historic sites: Nagasaki has many historic sites that reflect its unique blend of Japanese and foreign culture. Some of the popular historic sites include Nagasaki Peace Park, Nagasaki Atomic Bomb Museum, Glover Garden, Ōura Church, and Dejima.

2. Enjoy the scenic views: Nagasaki has many scenic spots that offer breathtaking views of the city. Some of the popular spots include Mt. Inasa, Kujuku Islands, and Nagasaki Night View on Mt. Inasa.

3. Try local food: Nagasaki has a diverse food scene with many unique dishes. Some of the popular dishes include Portuguese castella cakes, Chinese chanpon noodles, and the American Sasebo burger. You can try these dishes at local restaurants and cafes.

4. Attend festivals: Nagasaki has many festivals throughout the year that celebrate its culture and traditions. Some of the popular festivals include Nagasaki Kunchi Festival, Nagasaki Lantern Festival, and Nagasaki International Peace Marathon.

5. Relax at hot springs: Nagasaki has many hot springs where you can relax and rejuvenate. Some of the popular hot springs include i + Land Nagasaki, Dormy Inn Premium Nagasaki Ekimae, and Garden Terrace Nagasaki Hotel & Resort.

6. Explore Hashima Island: Hashima Island, also known as Gunkanjima, is an abandoned island that was once a thriving coal mining community. You can take a boat tour to explore the island and learn about its history.

Overall, Nagasaki offers a unique blend of history, culture, and natural beauty that is worth exploring.