Here are some of good and my favourite Islands. Ni’ihau, Attu Island, Monuriki Island, Navassa Island, Spitsbergen, Palmyra Atoll, Howland Island, Pitcairn Island, Bouvet Island and North Sentinel Island
As I know, Top 10 Unusual Islands are:
10. Ni’ihau
9. Attu Island
8. Monuriki Island
7. Navassa Island
6. Spitsbergen
5. Palmyra Atoll
4. Howland Island
3. Pitcairn Island
2. Bouvet Island
1. North Sentinel Island