The crow's nest(s) close to the tops of each of the masts.
A ketch is a sailing ship with two masts.
A sailing ship, also called a vessil has two masts a kell and a hull
A Clipper was the fastest of all sailing ships.For a sailing ships to be faster draught of that ship must be low.Other fast-sailing ships are:CarrackCaravelSloopSchoonerBrigBrigandineBarque
That type of ship is called a "Junk".
A sailing or engine powered ship used for pleasure is called a yacht.
the crow's nest
A Crow's Nest is a high-level observation point up the mast of a sailing ship. From the Crow's Nest sailors could keep a lookout for obstacles, enemy vessels and other items of interest, such as whales!
They are called Junks.
Warning: As in the lookout gave a warning that the ship was heading for disaster.
Caravel
They were called a Spanish Galleon ...