demonstrate the creativity and ingenuity of the people who
built them. The architects and builders of lighthouses used
proven techniques as well as developed new ones in an effort
to provide better navigational aids. The ability to place
lighthouses on small islands of rock amid the crashing waves
of the open sea or reaching hundreds of feet toward the sky
from a sandy shore is the result the cumulative and ever-advancing
field of architecture.
Lighthouses have been built with a variety of materials, such
as wood, stone, concrete and iron in a variety of different
styles, such as piles, caisson, and various tower types, they
all have had a basic structural purposes in common: to place
powerful lights atop uniquely marked structures in a favorable
position for alerting ships of nearby hazards and guiding
them along our coasts and harbors.