Machu Picchu, Peru Machu Picchu date from the fifteenth century. It is one of the most known archaeological sites in the world and the fourth building included on the list of New 7 Wonders of the world. Hidden in the Andes Mountains, the sacred valley of the Incas called Urubamba, Machu Picchu was made known to the world in 1911 by the American historian Hiram Bingham. Since that time, the Inca site has become a major tourist attraction but also a subject of study for scientists and historians. Petra, Jordan Petra is an ancient city in Jordan, famous for its architecture, that has a water transport system since the beginning of the construction. The construction of the historical city was established around the sixth century BC and is the symbol of Jordan. It is simultaneously one of the most important archaeological sites and is the most visited historic sights. City whose name means “stone” in Greek is considered one of the most valuable cultural heritage of mankind. Unfortunately, due to erosion, flooding and surface restoration, the stone town is constantly threatened by irreparable damage. In addition, tourism has increased significantly after starting the campaign “The New 7 Wonders of the World”. Chichén Itzá, Mexico Mexico’s Yucatan Peninsula hide another pre-Columbian archaeological extremely valuable site. Chichén Itzá was built by the Maya civilization and was their important political and administrative center. Construction was completed in 600 AC and includes many architectural styles characteristic of the late classic period in Mexico. Chichen Itza is the second most visited tourist attraction in Mexico, with more than 1 million tourists annually. A major wave of visitors are coming from the seaside resort of Cancun. The Great Wall of China The first building on the list of New 7 Wonders of the world is the Great Wall of China, a series of fortifications whose construction was started in seventh century BC in order to provide protection against the Chinese Empire nomadic invasions. It has a length of 8851 km and is made of stone, brick, compacted sand and wood. Although some sections of the Great Wall of China are renovated and kept in optimal conditions to maintain tourism activity, in other areas, the wall has suffered damage caused by vandalism or natural erosion. Also, the locals take the stone wall to build houses, or simply tear it down because it stays in the way of future constructions. The Colosseum, Rome Great work of architecture and engineering, Roman Colosseum was built between 70-80 under Vespasian and Titus Emperor. Designed with a capacity of 50 000 spectators, the building was used as arena shows, contests between gladiators, executions or enactment of famous battles. It is now a major tourist attraction of Rome and also emblematic of the Italian capital. Over time, the Colosseum has suffered damage because of earthquakes or vandals who stole the stone. Even so, the building is testimony to the impressive technology of Roman Empire at the is one of the most popular tourist attractions in the city. The “Christ the Redeemer”, Rio de Janeiro Statue of Jesus in Rio de Janeiro has a height of 39.6 m, a width of 30 m and is the fifth tallest statue in the world that portrays Jesus. It is located on top of Mount Corcovado in Rio de Janeiro, with a scenic views of the city. The statue is a symbol of Christianity and, in time, believers have assigned it a special religious meaning, like an object of worship. It is also a place of pilgrimage, but also a visited tourist attraction. The Taj Mahal, India Built by Emperor Shah Jahan in memory of his deceased wife, Mumtaz Mahal, Taj Mahal mausoleum is a piece of jewelry of Indian architecture and one of the most cherished and admired masterpieces of humanity. It combine Persian, Turkish and Indian styles in what is called Mughal architecture. The architectural ensemble includes the tomb of Mumtaz Mahal, who died at the birth of the fourteenth child of the royal couple, other tombs and beautiful gardens. Following mausoleum, architecture, Taj Mahal replica was built in Bangladesh and USA (Trump Taj Mahal or Tripoli Shrine Temple). However, the original architectural masterpiece remains one of the most fascinating monuments in the world. In 1983, the Taj Mahal became UNESCO World Heritage, and from 2007, is one of the New 7 Wonders of the world.