11 of 74
jpg [67.3 kB, 480 x 600]
Thirteen of the columns of the Temple of Olympian Zeus (Olympieion) in Athens. Originally, 104 columns supported this massive structure, which was begun in 520 B.C. but not fully completed until A.D. 132!
Factbook images and photos — obtained from a variety of sources — are in the public domain and are copyright free.