St Petersburg, Russia, Moika boats bridge at Neva. Going by the Winter Palace on each side of the canal. This leads to the Neva River. These boats provide an excellent city overview even if you don't know Russian. Very pleasant cruise of over an hour.
Norway - The Atlantic Ocean road is considered to be one of the most spectacular roads in the world. Located closely to the cities of Kristiansund and Molde, this 5 miles road is built on many small islands. This road offers a wide breathtaking sea view.