Built around 1820, the Round Tower at Fort Snelling is probably the oldest standing building in Minnesota. Though the U.S. Army originally built it as a defensive point for the fort, the tower has served many different functions over its long history.
Watercolor of 1868 Fort Ripley by Col. Edward G. Bush (1838–1892). Painted by Bush in 1880 upon revisiting the fort that he commanded September 1868 to May 1869 while a thirty-year-old captain. The painting depicts the fort as he remembered it in 1868.