The Seven Wonders of the World (or the Seven Wonders of the Ancient World) is a widely-known list of seven remarkable constructions of classical antiquity. The earliest known version of the list was compiled in the 2nd century BC by Antipater of Sidon; it appears to be based on the guide-books popular among Hellenic sight-seers and only includes works located around the Mediterranean rim.
The ancient Greeks loved to compile lists of the marvelous structures in their world. Though we think of the Seven Wonders of the Ancient World as a single list today, there were actually a number of lists compiled by different Greek writers. Antipater of Sidon, and Philon of Byzantium, drew up two of the most well-known lists.
Many of the lists agreed on six of the seven items. The final place on some lists was awarded to the Walls of the City of Babylon. On others, the Palace of Cyrus, king of Persia took the seventh position. Finally, toward the 6th century A.D., the final item became the Lighthouse at Alexandria.
Since the it was Greeks who made the lists it is not unusal that many of the items on them were examples of Greek culture. The writers might have listed the Great Wall of China if then had known about it, or Stonehenge if they'd seen it, but these places were beyond the limits of their world.
It is a surprise to most people to learn that not all the Seven Wonders existed at the same time. Even if you lived in ancient times you would have still needed a time machine to see all seven. While the Great Pyramid of Egypt was built centuries before the rest and is still around today (it is the only "wonder" still intact) most of the others only survived a few hundred years or less. The Colossus of Rhodes stood only a little more than half a century before an earthquake toppled it.
However the seven wonders of the world are:
The Great Pyramid of Giza 2500 BC Approximate - Egyptians
Hanging Gardens of Babylon 600 BC - Babylonians - Destroyed by Earthquake
Temple of Artemis at Ephesus 550 BC - Anatolians - Destroyed by Fire 356 BC
Statue of Zeus at Olympia 435 BC - Greeks - Destroyed by Fire
Mausoleum of Halicarnassus 315 BC - Hellenized Carians - Destroyed by Earthquake
Colossus of Rhodes 292-280 BC - Hellenistic Civilization - Destroyed 224 BC by Earthquake
Lighthouse of Alexandria 3rd Century BC - Hellenistic Civilization - Destroyed by Earthquake