Fort Herkimer Church and Cemetery, Herkimer, NY

This church and cemetery are located along the Mohawk River.  The National Register of Historic Places nomination form states the site is also known as the Reformer Protestant Dutch Church of German Flatts.  According to this website, the church was built in 1753 from limestone mined from the Mohawk River and it is the oldest surviving building in Herkimer County.  It is also the only remaining structure of Fort Herkimer, a Revolutionary War fort.

More information:  National Register form; Some history; Church website

Location: Google Maps (43.018117, -74.954142)

Erie Canal Lock 18, Herkimer, NY

These are photos of Lock 18 along the Erie Canal.  According to the Historic American Engineering Record (HAER) report for the site, the lock was built around 1909 and the powerhouse around 1915.  The lock is still operational.

Location: Google Maps (43.01620369, -74.917545182)

More information: Library of Congress website (Historic American Engineering Record)