Possibly the best known active lighthouse in the world.
A visible warning to stay clear.
Marking the beginning of the Viking Age.
Overflew the North Pole twice.
A small but long-lived colonial outpost.
World’s first ocean-going self-propelled ironclad warship.
An old-fashioned gun battle at sea.
Application of aeronautical engineering to ship propulsion.
One-of-a-kind rocket-carrying vessel.