A beautiful river valley landscape dotted with stunning castles and charming medieval towns.
Two sets of ruins from the Mycenaean civilization in the Peloponnese, which preceded the Ancient Greeks.
A little-known archeological site in southern Albania with ruins from centuries of occupiers.
A mosque complex representing the height of Ottoman architectural achievement.
Numerous archeological sites with dry-stone structures dating to the Bronze Age and Late Iron Age.
Seven impressive stone structures used for ritual purposes during the Bronze Age.
An extraordinary palm grove dating to the Arab period in Spain.
A magnificent and remarkably well-preserved 18th-century palace and grounds.
A 19th-century engineering achievement; an elegant structure that still functions to carry a canal high above the ground.
Palaces and other structures that tell the story of the 70-year sojourn in France of the Catholic papacy in the 14th century.
Location where radio astronomy was developed, leading to a host of new discoveries about the universe.
A fjord in Greenland where a very active glacier called Sermeq Kujalleq calves enormous icebergs into the sea: a breathtaking sight.
A 360-km canal plus locks, tunnels and bridges: a 17th-century feat of engineering.
An area of dramatic mountainous scenery, dense forests, glacial lakes and deep canyons.
A beautiful area around the Bay of Kotor with authentic, well-preserved architecture.
Three medieval structures central to the history of Christianity and coronations in France.
Atmospheric ruins of a complete Late Byzantine city.
Three elegant 18th-century city plazas.
Two exceptional examples of Catalan Art Nouveau architecture in Barcelona designed by Lluís Domènech i Montaner.
A region of northern Italy representing excellence in winegrowing and winemaking.
A lavish retreat built for Roman emperor Hadrian in the 2nd century.
The ruins of a Roman villa with remarkably well-preserved mosaics.
A charming medieval city center, considered the birthplace of Portuguese nationhood.
Viniculture in a hostile environment made possible through human ingenuity.
Six buildings that are unique to the short-lived Asturian monarchy.
An ancient site of great historical and cultural significance to indigenous Polynesians.
Some of the earliest art by the earliest humans.
The world’s largest and deepest fjords, and breathtakingly beautiful.
Centuries-old architectural ensembles in Flanders that once housed religious communities of women.
A constantly-changing area where the continental rift, volcanoes and glaciers dramatically interact.
An ensemble of warehouses and office buildings resulting from Hamburg’s port trade in the 19th and early 20th centuries.
A medieval fortress town in a dramatic location, perched on cliffs.
An important religious site for ancient Greeks, who considered it the center of the world.
An outstanding example of Modern architecture of the 1920s, designed by Mies van der Rohe.
The largest and most powerful steam-driven pumping station ever built.
Four masterpieces of Pisan Romanesque architecture, including the world-famous Leaning Tower.