Colvin Run Mill is in Great Falls, Virginia. Built c. 1811, Colvin Run Mill is the sole surviving operational 19th-century water-powered mill in the Washington, D.C. metropolitan area, and its restored mechanism is a nationally significant example of automated technologies pioneered in milling and later adopted across American industry. Down the gravel path of the park is the miller's house, home to the families who ran the mill. In 1883, Addison Millard moved his family here when he bought the old mill. Addison, his wife Emma, and some of their 20 children lived there. When Addison died, the family stayed and operated the mill until 1934. 
Bikes lined up in Delft, The Netherlands
The front of city hall in Delft, The Netherlands.