Underground Atlanta is a shopping and entertainment

Entertainment

Entertainment consists of any activity which provides a diversion or permits people to amuse themselves in their leisure time. Entertainment is generally passive, such as watching opera or a movie. Active forms of amusement, such as sports, are more often considered to be recreation...

 district in the Five Points neighborhood

Five Points (Atlanta)

Five Points is a district of Atlanta, Georgia, United States, the primary reference for the downtown area. The name refers to the convergence of Marietta Street, Edgewood Avenue, Decatur Street, and two legs of Peachtree Street Five Points is a district of Atlanta, Georgia, United States, the...

 of downtown

Downtown

Downtown is a term primarily used in North America by English speakers to refer to a city's core or central business district ....

 Atlanta, Georgia

Georgia (U.S. state)

Georgia is a state located in the southeastern United States. It was established in 1732, the last of the original Thirteen Colonies. The state is named after King George II of Great Britain. Georgia was the fourth state to ratify the United States Constitution, on January 2, 1788...

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, near the intersection of the east and west MARTA

Metropolitan Atlanta Rapid Transit Authority

The Metropolitan Atlanta Rapid Transit Authority or MARTA is the principal rapid-transit system in the Atlanta metropolitan area and the ninth-largest in the United States. Formed in 1971 as strictly a bus system, MARTA operates a network of bus routes linked to a rapid transit system consisting...

 rail lines. First opened in 1969, it takes advantage of the viaduct

Viaduct

A viaduct is a bridge composed of several small spans. The term viaduct is derived from the Latin via for road and ducere to lead something. However, the Ancient Romans did not use that term per se; it is a modern derivation from an analogy with aqueduct. Like the Roman aqueducts, many early...

s built over the city's many railroad tracks to accommodate later automobile

Automobile

An automobile, autocar, motor car or car is a wheeled motor vehicle used for transporting passengers, which also carries its own engine or motor...

 traffic

Traffic

Traffic on roads may consist of pedestrians, ridden or herded animals, vehicles, streetcars and other conveyances, either singly or together, while using the public way for purposes of travel...

. Each level has two main halls, still called Upper and Lower Alabama and Pryor Streets.
The buildings were constructed during Atlanta's post-Civil War

American Civil War

The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

 Reconstruction Era boom, between 1866 and 1871, when the city's population doubled from 11,000 to 22,000 residents.