Some popular cruise in the world include:
1. Caribbean Cruises
2. Mediterranean Cruises
3. Northern European Cruises (Baltic Sea Cruises)
4. Alaskan Cruises
5. Asian Cruises (Southeast Asia Cruises)
6. South Pacific Cruises (Tahiti, Fiji, Bora Bora, etc.)
7. Transatlantic Cruises (Europe to the Americas and back)
8. Australian and New Zealand Cruises
9. Nile River Cruises (Egypt)
10. Amazon River Cruises (South America)