On the second floor there is a small museum filled with antique and classic automobiles, trucks, motorcycles and memorabilia.

Visitors are welcome Monday through Friday from 10 AM to 5 PM. It's a free attraction, so automotive history enthusiasts should be sure to stop in for a quick visit.

Some of the featured vehicles include a 1904 Cadillac, a 1971 Brabham BT 36 racecar, a 1979 Minimoto Graciela scooter, a 1924 Hudson, a 1927 Yruam, a 1911 Wanderer from Germany, a 1908 Fiat from Italy, and a 1912 Daimler from England.

Architecture buffs will also appreciate the ACA building's Rationalist style, designed by Buenos Aires architect Alejandro Bustillo