c. 753 B.C.E. – 400 C.E.

Column of Trajan, Carrara marble, completed 113 C.E., Rome
Trajan expanded the Roman Empire to its greatest extent, celebrating his victories with this monumental column.

Column of Trajan

Ara Pacis Augustae (Altar of Augustan Peace), 9 B.C.E. (Ara Pacis Museum, Rome, Italy) (photo: Steven Zucker, CC BY-NC-SA 2.0)
Augustus is said to have found Rome a city of brick and left it a city of marble—this altar symbolizes his golden age.

Ara Pacis