American Shoal Lighthouse
![](https://www.phoenixvillefoundry.org/wp-content/uploads/2018/12/American-Shoals-Lighthouse.jpg)
Built by the Phoenix Iron Company, this unique, wrought iron, octagonal pyramidal skeletal tower encloses a staircase and an octagonal dwelling in the middle. It has a screwpile foundation and is located off the coast of southern Florida, near Sugarloaf Key. It is only accessible by boat.
Photograph courtesy of the U.S. Coast Guard