The Block House, Historical fort in the United States
The Block House on Governors Island is a notable landmark.
Designed by Martin E. Thompson, it dates back to the early 19th century.
It served multiple purposes including as a former military hospital.
Now a part of the Governors Island National Monument.
Listed on the National Register of Historic Places.
Location: Manhattan
Architect: Martin E. Thompson
Architectural style: Greek Revival architecture
Source: Wikimedia