What artwork is housed in the Cyclorama Building in Atlanta?

The 1921 site houses the Cyclorama of the Battle of Atlanta, a depiction of the Civil War battle for control of the Georgia railroad on July 22, 1864.

The 1885-86 artwork blends an enormous circular painting with a three-dimensional model of the action.

The painting is 358 feet in circumference and 42 feet tall. It is visited by about 300,000 people each year.