The New Caledonian barrier reef is a barrier reef located in New Caledonia in the South Pacific, being the longest continuous barrier reef in the world and the third largest after the Great Barrier Reef of Australia and the Mesoamerican Barrier Reef.

Gelati is a medieval monastic complex near Kutaisi in the Imereti region of western Georgia. One of the first monasteries in Georgia, it was founded in 1106 by King David IV of Georgia as a monastic and educational centre.

The Temple of Heaven is a complex of imperial religious buildings situated in the southeastern part of central Beijing. The complex was visited by the Emperors of the Ming and Qing dynasties for annual ceremonies of prayer to Heaven for a good harvest.

Etchmiadzin Cathedral is the mother church of the Armenian Apostolic Church, located in the city dually known as Etchmiadzin and Vagharshapat, Armenia. It is usually considered the first cathedral built in ancient Armenia, and often regarded as the oldest cathedral in the world.

Inhabited since 250 B.C and famous for its Sudanic-style "Grand Mosque", the world's largest mud-brick building, Djenné became a market centre and an important link in the trans-Saharan gold trade. In the 15th and 16th centuries, it was one of the centres for the propagation of Islam.

Los Glaciares National Park is in the Austral Andes of southwest Argentina, near the Chilean border. Its many glaciers include Perito Moreno, best known for the dramatic icefalls from its front wall, into Lake Argentino.

Sabratha, in the Zawiya District of Libya, was the westernmost of the ancient "three cities" of Roman Tripolis, alongside Oea and Leptis Magna. It lies on the Mediterranean coast about 70 km west of modern Tripoli.

The north of the Moldavia region in Romania preserves numerous religious buildings as a testimony of the Moldavian architectural style developed in the Principality of Moldavia starting from the 14th century. Of these, eight Romanian Orthodox Churches located in Suceava County and built from the late 15th century to the late 16th century are listed by UNESCO as a World Heritage Site. The churches have their external walls covered in authentic and unique fresco paintings, representing complete cycles of religious themes.

The Qal'at al-Bahrain, also known as the Bahrain Fort or Portuguese Fort, is an archaeological site located in Bahrain. Archaeological excavations carried out since 1954 have unearthed antiquities from an artificial mound of 12 m (39 ft) height containing seven stratified layers, created by various occupants from 2300 BC up to the 18th century, including Kassites, Greeks, Portuguese and Persians. It was once the capital of the Dilmun civilisation and was inscribed as a UNESCO World Heritage Site in 2005.

The Palace of the Sheki Khans is an 18th-century palace in Azerbaijan that is a UNESCO World Heritage Site. It is a symbol of Azerbaijani culture and a masterpiece of craftsmanship. The palace's windows are among the finest examples of "shebeke," an Azerbaijani technique that creates stained glass windows without glue or nails. Unfortunately, photographers are charged a hefty fee to photograph the interior of the palace.

Historic Jeddah is situated on the eastern shore of the Red Sea. From the 7th century AD it was established as a major port for Indian Ocean trade routes.

Sucre, the first capital of Bolivia, was founded by the Spanish in the first half of the 16th century. Its many well-preserved 16th-century religious buildings, such as San Lázaro, San Francisco and Santo Domingo, illustrate the blending of local architectural traditions with styles imported from Europe.

Old Paphos, which was settled by Greek colonists in the Mycenaean period, contained a famous temple of Aphrodite and was the legendary site where Aphrodite was born from the sea foam. In Hellenic times Paphos was second only to Salamis in extent and influence among the states of Cyprus.

The Dutch colonial town established in 17th and 18th centuries was declared a UNESCO World Heritage Site in 2002. The historic inner city is located along the left bank of the Suriname River. The original architecture of buildings and street plan has largely remained intact and preserved.

Historic Monuments and Sites in Kaesong is a UNESCO World Heritage Site in Kaesong, North Korea. The site consists of 12 separate components, which together testify to the history and culture of the Koryo Dynasty from the 10th to 14th centuries.

Great Zimbabwe was a city in the south-eastern hills of the modern country of Zimbabwe, near Masvingo. It was settled from 1000 AD, and served as the capital of the Kingdom of Zimbabwe from the 13th century. It is the largest stone structure in precolonial Southern Africa. Construction on the city began in the 11th century and continued until it was abandoned in the 16th or 17th century.

Santiago de Compostela is the capital of northwest Spain’s Galicia region. It’s known as the culmination of the Camino de Santiago pilgrimage route, and the alleged burial site of the Biblical apostle St. James. His remains reputedly lie within the Catedral de Santiago de Compostela, consecrated in 1211, whose elaborately carved stone facades open onto grand plazas within the medieval walls of the old town.

Ouro Preto is a colonial town in the Serra do Espinhaço mountains of eastern Brazil. It’s known for its baroque architecture, including bridges, fountains and squares, and its steep, winding cobbled streets.

Pamir (aka Tajik) National Park encompasses the high peaks, plateaux and river gorges of the Pamir Mountains of eastern Tajikistan. Unique natural features include Sarez Lake, formed after an earthquake, Karakul Lake (pictured here) in a meteor crater, and massive Fedchenko Glacier. Accessed via the mountain towns of Murghab and Khorugh, the sparsely populated park is home to rare wildlife including snow leopards and Siberian ibex.

Fremantle Prison, sometimes referred to as Fremantle Gaol or Fremantle Jail, is a former Australian prison and World Heritage Site in Fremantle, Western Australia. The site includes the prison cellblocks, gatehouse, perimeter walls, cottages, and tunnels.