A robot explorer has revealed ancient markings inside a secret chamber at Egypt's Great Pyramid of Giza.
Archaeologists believe they have unearthed only a small fraction of Egypt's ancient ruins, but they're making new discoveries with help from high-tech allies -- satellites that peer into the past from the distance of space.
CNN's Ben Wedeman trails Egypt's world-famous archaeologist, Zahi Hawass.
Egyptian archaeologists unveiled on Thursday a 4,000-year-old
"missing pyramid" that is believed to have been discovered
by an archaeologist almost 200 years ago and never seen again
CNN's Richard Quest reports from Sharm El Sheikh in Egypt, on how to spend your air miles.
'7 wonders' to be revealed 7/7
The new seven wonders of the world were named Saturday following an online vote that generated server-crushing traffic in its final hours.
Six of the seven Ancient Wonders of the World have vanished into history, like the Lighthouse of Alexandria, which crumbled into the sea after an earthquake, and the Statue of Zeus, destroyed by fire thousands of years ago. Only the Pyramids of Giza in Egypt remain on the list.
For almost as long as man has been able to construct monuments and temples, build canals and stem vast rivers, debate has raged between historians as to which one should be considered the defining achievement in the history of the civilized world.
Scientists have discovered a huge crater in the Saharan desert, the largest one ever found there.