The station was declared a national historic site in 1992.
The mill stayed in operation until 1957 and is now a national historic site.
The island was designated a national historical site in 1922, but further steps were slow to follow.
It was designated a national historic site on March 30, 1931.
In 1974 it was made a national historic site.
It was designated as a national historic site on March 7, 1923.
The town was declared a national cultural-historical site in 1985.
By far the best known of their buildings was the Temple, now a national historic site.
It was built in 1726 and is a Grade 1 national historical site.
And yet, online news consumers are spending more time with the large national sites.
