If you have limited time, one of the places to visit is the historic downtown area. This tour will show you many interesting buildings and places in the city, including Battery Park, the Dray House, and College of Charleston. You can also visit the Nathaniel Russell House and stroll down Rainbow Row, where you can see a number of brightly colored houses. At the Old Slave Mart Museum you can learn about the dark history of the slave trade in Charleston, and a visit to Sumter Fortress will allow you to learn more about Charleston's role in the Civil War.