CHICHEN ITZA (PENINSULA,MEXICO)CHICHEN ITZA (PENINSULA,MEXICO) The genius and adaptability of Mayan culture can be seen in the splendid ruins of Chichen Itza. This powerful city, a trading center for cloth, slaves, honey and salt, flourished from approximately 800 to 1200, and acted as the political and economic hub of the Mayan civilization. The most familiar ruin at the site is El Caracol, a sophisticated astronomical observatory.
THE ROMAN COLOSSEUM (ROME)THE ROMAN COLOSSEUM (ROME) Rome's, if not Italy's, most enduring icon is undoubtedly its Colosseum. Built between A.D. 70 and 80 A.D., it was in use for some 500 years. The elliptical structure sat nearly 50,000 spectators, who gathered to watch the gladiatorial events as well as other public spectacles, including battle reenactments, animal hunts and executions. Earthquakes and stone-robbers have left the Colosseum in a state of ruin, but portions of the structure remain open to tourists, and its design still influences the construction of modern-day amphitheaters, some 2,000 years later.
PETRA (JORDAN)PETRA (JORDAN) Declared a World Heritage Site in 1985, Petra was the capital of the Nabataean empire of King Aretas IV, and likely existed in its prime from 9 B.C. to A.D. 40. The members of this civilization proved to be early experts in manipulating water technology, constructing intricate tunnels and water chambers, which helped create an pseudo-oasis. A number of incredible structures carved into stone, a 4,000-seat amphitheater and the El-Deir monastery have also helped the site earn its fame.