Discover 36 Endangered UNESCO Masterpieces Before We Loose Them Completely

Some 40 villages grouped in eight parks situated in north-western Syria provide remarkable testimony to rural life in late Antiquity and during the Byzantine period. Abandoned in the 8th to 10th centuries, the villages, which date from the 1st to 7th centuries, feature a remarkably well preserved landscape and the architectural remains of dwellings, pagan temples, churches, cisterns, bathhouses etc. The relict cultural landscape of the villages also constitutes an important illustration of the transition from the ancient pagan world of the Roman Empire to Byzantine Christianity. Vestiges illustrating hydraulic techniques, protective walls and Roman agricultural plot plans furthermore offer testimony to the inhabitants' mastery of agricultural production.

The city of L''viv, founded in the late Middle Ages, was a flourishing administrative, religious and commercial centre for several centuries. The medieval urban topography has been preserved virtually intact (in particular, there is evidence of the different ethnic communities who lived there), along with many fine Baroque and later buildings.

Surrounded by a fortified wall, the 16th-century city of Shibam is one of the oldest and best examples of urban planning based on the principle of vertical construction. Its impressive tower-like structures rise out of the cliff and have given the city the nickname of ‘the Manhattan of the desert’.

The Landmarks of the Ancient Kingdom of Saba, Marib, is a serial property comprising seven archaeological sites that bear witness to the rich Kingdom of Saba and its architectural, aesthetic and technological achievements from the 1st millennium BCE to the arrival of Islam around 630 CE. They bear witness to the complex centralized administration of the Kingdom when it controlled much of the incense route across the Arabian Peninsula, playing a key role in the wider network of cultural exchange fostered by trade with the Mediterranean and East Africa. Located in a semi-arid landscape of valleys, mountains and deserts, the property encompasses the remains of large urban settlements with monumental temples, ramparts and other buildings. The irrigation system of ancient Ma'rib reflects technological prowess in hydrological engineering and agriculture on a scale unparalleled in ancient South Arabia, resulting in the creation of the largest ancient man-made oasis.

The cultural landscape and archaeological remains of the Bamiyan Valley represent the artistic and religious developments which from the 1st to the 13th centuries characterized ancient Bakhtria, integrating various cultural influences into the Gandhara school of Buddhist art. The area contains numerous Buddhist monastic ensembles and sanctuaries, as well as fortified edifices from the Islamic period. The site is also testimony to the tragic destruction by the Taliban of the two standing Buddha statues, which shook the world in March 2001.

The 65m-tall Minaret of Jam is a graceful, soaring structure, dating back to the 12th century. Covered in elaborate brickwork with a blue tile inscription at the top, it is noteworthy for the quality of its architecture and decoration, which represent the culmination of an architectural and artistic tradition in this region. Its impact is heightened by its dramatic setting, a deep river valley between towering mountains in the heart of the Ghur province.

Ghadamès, known as 'the pearl of the desert', stands in an oasis. It is one of the oldest pre-Saharan cities and an outstanding example of a traditional settlement. Its domestic architecture is characterized by a vertical division of functions: the ground floor used to store supplies; then another floor for the family, overhanging covered alleys that create what is almost an underground network of passageways; and, at the top, open-air terraces reserved for the women.

Nan Madol is a series of more than 100 islets off the south-east coast of Pohnpei that were constructed with walls of basalt and coral boulders. These islets harbour the remains of stone palaces, temples, tombs and residential domains built between 1200 and 1500 CE. These ruins represent the ceremonial centre of the Saudeleur dynasty, a vibrant period in Pacific Island culture. The huge scale of the edifices, their technical sophistication and the concentration of megalithic structures bear testimony to complex social and religious practices of the island societies of the period. The site was also inscribed on the List of World Heritage in Danger due to threats, notably the siltation of waterways that is contributing to the unchecked growth of mangroves and undermining existing edifices.

The Chimu Kingdom, with Chan Chan as its capital, reached its apogee in the 15th century, not long before falling to the Incas. The planning of this huge city, the largest in pre-Columbian America, reflects a strict political and social strategy, marked by the city's division into nine 'citadels' or 'palaces' forming autonomous units.

Located at the crossroads of several trade routes from the 2nd millennium B.C., Aleppo was ruled successively by the Hittites, Assyrians, Arabs, Mongols, Mamelukes and Ottomans. The 13th-century citadel, 12th-century Great Mosque and various 17th-century madrasas, palaces, caravanserais and hammams all form part of the city's cohesive, unique urban fabric, now threatened by overpopulation.

These two castles represent the most significant examples illustrating the exchange of influences and documenting the evolution of fortified architecture in the Near East during the time of the Crusades (11th - 13th centuries). The Crac des Chevaliers was built by the Hospitaller Order of Saint John of Jerusalem from 1142 to 1271. With further construction by the Mamluks in the late 13th century, it ranks among the best-preserved examples of the Crusader castles. The Qal’at Salah El-Din (Fortress of Saladin), even though partly in ruins, represents an outstanding example of this type of fortification, both in terms of the quality of construction and the survival of historical stratigraphy. It retains features from its Byzantine beginnings in the 10th century, the Frankish transformations in the late 12th century and fortifications added by the Ayyubid dynasty (late 12th to mid-13th century).

The historic centre of Shakhrisyabz contains a collection of exceptional monuments and ancient quarters which bear witness to the city's secular development, and particularly to the period of its apogee, under the rule of Amir Temur and the Temurids, in the 15th-16th century.

Situated in a mountain valley at an altitude of 2,200 m, Sana’a has been inhabited for more than 2,500 years. In the 7th and 8th centuries the city became a major centre for the propagation of Islam. This religious and political heritage can be seen in the 103 mosques, 14 hammams and over 6,000 houses, all built before the 11th century. Sana’a’s many-storeyed tower-houses built of rammed earth (pisé) add to the beauty of the site.

The four edifices of the site reflect the high points of the Byzantine-Romanesque ecclesiastical culture, with its distinct style of wall painting, which developed in the Balkans between the 13th and 17th centuries. The Dečani Monastery was built in the mid-14th century for the Serbian king Stefan Dečanski and is also his mausoleum. The Patriarchate of Peć Monastery is a group of four domed churches featuring series of wall paintings. The 13th-century frescoes of the Church of Holy Apostles are painted in a unique, monumental style. Early 14th-century frescoes in the church of the Holy Virgin of Ljevisa represent the appearance of the new so-called Palaiologian Renaissance style, combining the influences of the eastern Orthodox Byzantine and the Western Romanesque traditions. The style played a decisive role in subsequent Balkan art.

Samarra Archaeological City is the site of a powerful Islamic capital city that ruled over the provinces of the Abbasid Empire extending from Tunisia to Central Asia for a century. Located on both sides of the River Tigris 130 km north of Baghdad, the length of the site from north to south is 41.5 km; its width varying from 8 km to 4 km. It testifies to the architectural and artistic innovations that developed there and spread to the other regions of the Islamic world and beyond. The 9th-century Great Mosque and its spiral minaret are among the numerous remarkable architectural monuments of the site, 80% of which remain to be excavated.

Magnificent examples of 17th- and 18th-century military architecture, these Panamanian forts on the Caribbean coast form part of the defence system built by the Spanish Crown to protect transatlantic trade.