Columbus is a city in western Georgia. The Chattahoochee Riverwalk is a long promenade for walking or biking along the Chattahoochee River. Overlooking the river, the National Civil War Naval Museum displays the remains of 19th-century warships. The Coca-Cola Space Science Center is home to an immersive theater and an observatory. To the east, the Columbus Museum shows American artwork and regional history exhibits.