Modern ships navigate by use of GPS units and computers. In past times, mariners used visual aids like a sextant to navigate using the stars and sun.
Navigate
from the wind
The Phoenicians used the sun and stars to navigate
The santa maria
really easy
99
In a couple of ships known as caravels.
Ships are built in shipyards. Shipyards are located in most large seaports so that when a ship is built it can safely navigate to sea.
Locks
Locks
The Compass
His ships were the first to navigate the world. He was killed in the Philippines, but his men made it home.