The Columbia City Hall, also known as Old United States Court House and Post Office, was built in 1870.It was listed on the National Register of Historic Places in 1973.

Adluh Flour Mills produces flour and cornmeal products in a plant that is listed on the National Register of Historic Properties.

Finlay Park is the largest and most visited park in downtown. Initially named Sidney Park, it was renamed after a former Columbia mayor Kirkman Finlay.