October 19, 2012
Roman Arch, Algeria
Photograph by George Steinmetz, National Geographic
This Month in Photo of the Day: National Geographic Magazine Features
This triumphal arch awed visitors to the city of Thamugadi, founded by the emperor Trajan around A.D. 100 as a civilian settlement near the fort of Lambaesis. The grooves left by wagon and chariot wheels can still be seen in the stone road.
See more pictures from the September 2012 feature story "Roman Frontiers."
See timeless pictures of Algeria »