Across
- 2. Major river flowing through multiple countries.
- 5. Waterway connecting the Atlantic and Pacific Oceans.
- 6. Historic waterways in the city.
- 7. Limestone caves with stalactites.
- 9. World's largest river by discharge.
- 11. Cascading lakes and waterfalls in Croatia.
- 13. Large volcanic lake in Yellowstone National Park.
- 14. City built on islands with canals.
Down
- 1. Glacial fjords and mountains.
- 3. World's highest uninterrupted waterfall.
- 4. Artificial islands and shorelines.
- 8. Giant marine sinkhole.
- 10. Synchronized water and music show in Las Vegas.
- 12. Baroque fountain in Italy.