France, Charente-Maritime, island of Oleron, Bourcefranc-le-Chapus, Fort Louvois, 17 th. century

Setenil de las Bodegas with the medieval castle and the church at the hilltop, Andalucia. Spain

Skellig Michael (Great Skellig), Skellig islands, County Kerry, Munster province, Ireland, Europe. Monastery's architecture in a sunny day

San Gimignano at sunrise. Siena province, Tuscany, Italy

Church of St. Johann in Ranui near St. Magdalena in Villnoess Valley, South Tyrol, Italy

View of the Palatinate Forest from Wegelnburg Castle, Nature Reserve, Palatinate, Palatinate Forest, Rhineland-Palatinate, Germany, Europe

Moritzburg Castle, water reflection in the lake, Saxony, Germany, Europe

The bridge to Sankt Nikolaus district in Innsbruck at dawn, Tyrol, Austria, Europe

Torre des Savinar defence tower with Es Vedra island in the background, Ibiza, Balearic Islands, Spain

Sunset over Assisi, Perugia province, Umbria, Italy, Europe

Sunset over Assisi, Perugia province, Umbria, Italy, Europe

Castle of the Teutonic Order in Malbork, Pomeranian Voivodeship, Poland

Historic Incan Machu Picchu on mountain in Andes, Cuzco Region, Peru

High angle view of historic Incan Machu Picchu on mountain in Andes, Cuzco Region, Peru

Windmill, Kinderdijk, Molenlanden, South Holland, Netherlands

The Monastery, Ad-Deir, elevated view, Petra, Ma'an Governorate, Jordan

Albarracin town at dusk. Albarracin, Teruel, Aragon, Spain

Alpine guest house Loas in a winter landscape at dusk, Schwaz, Tyrol, Austria, Europe

Dawn over Tofana de Rozes from the World War One trenches at Cinque Torri, Dolomite Mountains, Veneto, Italy

France, Eure, Les Andelys, Chateau Gaillard, 12th century fortress built by Richard Coeur de Lion, new look after several years of renovation, Seine valley (aerial view)

Kilchurn Castle is a ruined 15th and 17th century structure on a rocky peninsula at the northeastern end of Loch Awe, in Argyll and Bute, Scotland

Kilchurn Castle is a ruined 15th and 17th century structure on a rocky peninsula at the northeastern end of Loch Awe, in Argyll and Bute, Scotland

France, Gard, the Pont du Gard listed as World Heritage by UNESCO, Big Site of France, Roman aqueduct from the 1st century which steps over the Gardon

Italy, Umbria, Orvieto

Tower Bridge at Night, London, England

Trakai Island Castle on Lake Galve, the old capital of the Grand Duchy of Lithuania from 1321-1323. Trakai Historical National Park, a Unesco World Heritage Site. Lithuania

Europe, Italy, Trentino, Rolle pass. The small alpine church in a winter view. In the background the Cimone (Cimon della Pala) in the Pale di San Martino, Pala group, Dolomites

Bagan, Mandalay region, Myanmar (Burma). Pagodas and temples with balloons at sunrise.

Turkey, Eastern Anatolia, Nemrut Dagi (Mount Nemrut), UNESCO, Antiochos Sanctuary, eastern terrace, Head of Apollon

U.S. Route 66 horizontal road sign, Amboy, California, USA

Armenia, Yerevan, Ararat plain, Khor Virap Armenian Apostolic Church monastery, at the foot of Mount Ararat, where Grigor Luisavorich (St. Gregory the Illuminator) was imprisoned

China, Hebei Province, Luanping County, Jinshanling, Great Wall of China (UNESCO World Heritage Site) from Ming Dynasty

China, Hebei Province, Luanping County, Jinshanling, Great Wall of China (UNESCO World Heritage Site), Jinshanling section looking towards Simatai from Ming Dynasty

China, Hebei Province, Luanping County, Jinshanling, Great Wall of China (UNESCO World Heritage Site), Jinshanling section looking towards Simatai from Ming Dynasty

China, Beijing Municipality, Miyun County, Great Wall of China (UNESCO World Heritage Site), Gubeikou to Jinshanling section

Europe, Iceland, church at Laufas

Traditional Farming valley in Swaledale, Yorkshire Dales National Park, England

Eilean Donan Castle by Loch Duich against sky, Dornie, Kyle of Lochalsh, The Highlands, Scotland, United Kingdom

France, Doubs, Besancon, View of the city with the Doubs river and Vauban citadel, Unesco world heritage