Exterior detail of carving of an angel on the 15th century Palazzo Ducale (Doges Palace), Piazza San Marco (St. Mark's Square), Venice, UNESCO World Heritage Site, Veneto, Italy, Europe

Sforzesco Castle at sunrise, Milan, Lombardy, Italy, Europe

Ye Olde River House built 1490 opposite the ford at picturesque Kersey village, Suffolk, England, United Kingdom, Europe

External stairway, Palazzo Contarini del Bovolo dating from the 15th century, San Marco district, Venice, UNESCO World Heritage Site, Veneto, Italy, Europe

Cable car and ski resort in Canazei, Trentino-Alto Adige, Italy

Fifteenth century Ye Olde River House dating from 1490 reflected in the ford, in the village of Kersey, Suffolk, England, United Kingdom, Europe

Belgium, Brussels, Grand Place, Maison du Roi illuminated at night

Bavarian State Library, first floor, exhibition in the Treasury, When letters became mobile ? transition of media in the 15th century, Bible from circa 1466, Munich, Bavaria, Germany, Europe

A llama is photographed at the ancient site of Machu Pichu in Cusco, Peru.

Statue Outside The Saint Bavokerk Church Or Grote Kerk, Haarlem, Netherlands

Interior fresco, Church of the Holy Cross, 1487; Patrauti, Suceava County, Romania

Fresco of Mitropoli, Voronet Monastery, 1487; Gura Humorului, Suceava County, Romania

Exterior frescoes, portion of 'Last Judgement', Voronet Monastery, 1487; Gura Humorului, Suceava County, Romania

The sacred city of Machu Picchu sunlit and enveloped in low clouds; Cusco, Peru

Exterior frescoes, 'Last Judgement', Voronet Monastery, 1487; Gura Humorului, Suceava County, Romania

Exterior frescoes, 'Tree of Jesse', Voronet Monastery, 1487; Gura Humorului, Suceava County, Romania

Exterior frescoes, 'Last Judgement', Voronet Monastery, 1487; Gura Humorului, Suceava County, Romania

Interior fresco, Church of the Holy Cross, 1487; Patrauti, Suceava County, Romania

Detail of clock tower and statues along a roofline; Venice, Veneto, Italy

Exterior frescoes, portion of 'Last Judgement', Voronet Monastery, 1487; Gura Humorului, Suceava County, Romania

Interior fresco, Church of the Holy Cross, 1487; Patrauti, Suceava County, Romania

Early morning mist around Charles Bridge on the Vltava river; Prague, Czech Republic

Church of the Holy Cross, 1487; Patrauti, Suceava County, Romania

Monastery of the Holy Trinity, Meteora; Thessaly, Greece

Interior fresco, Church of the Holy Cross, 1487; Patrauti, Suceava County, Romania

Ruins of the Wall of Ostrica, also know as Bedem Grebastika, is a medieval defensive and protective wall, Grebastika, Croatia