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Prospect Hall is a historic mansion, built around 1787 on what was known at the time as Red Hill, the highest elevation in Frederick, Maryland. Daniel Dulaney built the original home on the property, though the current mansion known as Prospect Hall was probably not completed until 1810. This white, three story structure, designed in a Greek revival style, has hosted visitors from George Washington to Harry Truman. The mansion was the site of General Meade's takeover of the Army of the Potomac from General Joseph Hooker immediately before the Battle of Gettysburg. It was the site of Saint John's Literary Institution (now known as Saint John's Catholic Prep) until January 2013. The site is currently under development, and thirteen apartment buildings will be built on the property.