Streetlights of the Sea

You may or may not know this but our seas, large rivers, and oceans have navigational aids that operate for the waters much like our streetlights and street signs do for our roads. They help us get where we are going and prevent accidents. Photo: illuminated lighthouse on cliff at dusk Getty Images/Grant Faint

• Invention of Lighthouses & Buoys
• Invention of Roads, Street Lights & Parking Meters