The concept of electricity was known to ancient cultures, but Benjamin Franklin is often credited with discovering electricity as a discrete form of energy through his famous kite experiment in 1752.
A lighthouse perched on rocks at sea is typically called a "rock lighthouse" or a "rocky outcrop lighthouse". These lighthouses are built on rocky promontories or cliffs to guide ships away from hazards such as underwater rocks or reefs.
The Kilauea Lighthouse stands at 52 feet tall. It was constructed in 1913 and is located on the northern coast of Kauai in Hawaii. The lighthouse is now part of the Kilauea Point National Wildlife Refuge.
The Saint Augustine Lighthouse in Florida stands at 165 feet tall.
The smallest lighthouse in the world is the Newburyport Harbor Rear Range Light in Massachusetts, USA. It is only 7 feet tall and is located on top of a small shed. This lighthouse is still operational and serves as a navigational aid for boats entering the harbor.
boston light
Sandy hook lighthouse.
joseph andreu
The lighthouse at Geraldton is the Moore Point lighthouse, which was the first all steel tower built on Australia's mainland.
The first built lighthouse in New Zealand was Pencarrow Head in 1858.
The Egyptians built the Pharos, or Lighthouse of Alexandria, which was believed to be the first lighthouse, and to include a massive library.
Eddystone Rock was the site of the first offshore lighthouse built in Europe. The first of four lighthouses here was built in 1698.
The current lighthouse was first lit in 1870 however the original tower was constructed in 1803.
The first lighthouse built at Cape Hatteras was built in 1803, but the current Cape Hatteras lighthouse was built in 1870.
Cape Lookout Lighthouse was created in 1857.
The Sandy Hook Lighthouse was first lit on June 11, 1764.
Australia's first lighthouse is the Macquarie lighthouse, situated on Sydney Harbour's southern side, and constructed in 1818. It was designed by ex-convict architect Francis Greenway, under the command of Governor Macquarie.