View of Punta Suarez, Espanola Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Wild Galapagos tortoise (Geochelone elephantopus), Urbina Bay, Isabela Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Wild Galapagos tortoise (Geochelone elephantopus), Santa Cruz Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Whale skeleton, Fernandina Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Adult male great frigatebirds (Fregata minor), Genovesa Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Wild Galapagos tortoise (Geochelone elephantopus), Santa Cruz Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Endemic kentia palms that are also cultivated for worldwide sale with Mount Lidgbird on the left and Mount Gower by the lagoon with the world's most southerly coral reef, on this 10km long volcanic island in the Tasman Sea, Lord Howe Island, UNESCO World Heritage Site, New South Wales, Australia, Pacific

Adult male great frigatebird (Fregata minor), Genovesa Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

View of the Teatro Alla Scala (La Scala) known worldwide for opera and ballet, Milan, Lombardy, Italy, Europe

Flightless cormorant (Nannopterum harrisi), Tagus Cove, Isabela Island, Galapagos Islands,UNESCO World Heritage Site, Ecuador, South America

Wild Galapagos tortoise (Geochelone elephantopus), Santa Cruz Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Adult male great frigatebirds (Fregata minor), Genovesa Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Wild Galapagos tortoise (Geochelone elephantopus), Urbina Bay, Isabela Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Wild Galapagos tortoise (Geochelone elephantopus), Urbina Bay, Isabela Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Sunset at Las Bachas, Santa Cruz Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Wild Galapagos tortoise (Geochelone elephantopus), Urbina Bay, Isabela Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Wild Galapagos tortoise (Geochelone elephantopus), Santa Cruz Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Juvenile Galapagos brown pelican (Pelecanus occidentalis urinator), smallest species of pelican worldwide, feeding in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Juvenile Galapagos brown pelican (Pelecanus occidentalis urinator), smallest species of pelican worldwide, feeding in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Juvenile Galapagos brown pelican (Pelecanus occidentalis urinator), smallest species of pelican worldwide, feeding in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Jabrin (Jabreen) Castle (Fort), Ad-Dakhilīyah region, Sultanate of Oman, Arabian Peninsula

Juvenile Galapagos brown pelican (Pelecanus occidentalis urinator), smallest species of pelican worldwide, feeding in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

The Secession building designed by Joseph Maria Olbrich in 1897, Art Nouveau, Vienna, Austria, Europe

Endemic Kentia palms, also cultivated for worldwide sale, and lagoon with Mount Eliza beyond, on this 10km long volcanic island in the Tasman Sea, Lord Howe Island, UNESCO World Heritage Site, New South Wales, Australia, Pacific

The islands of St Kilda archipelago in Scotland. Island of Hirta with village bay and the settelment abondoned 1930. It is one of the few places worldwide to hold joint UNESCO world heritage status for its natural and cultural qualities. Europe, Scotland, St. Kilda, July

The islands of St Kilda archipelago in Scotland. Island of Hirta with village bay and the settelment abondoned 1930. The island of Hirta, the enclosers for sheep at An Lag. It is one of the few places worldwide to hold joint UNESCO world heritage status for its natural and cultural qualities. Europe, Scotland, St. Kilda, July

The islands of St Kilda archipelago in Scotland. The island of Hirta, view of Boreray and Stac Lee and Stac Armin. It is one of the few places worldwide to hold joint UNESCO world heritage status for its natural and cultural qualities. Europe, Scotland, St. Kilda, July

The islands of St Kilda archipelago in Scotland. Island of Hirta , Traditonal Cleit, a dry stone bothy used for storing food and other materials. It is one of the few places worldwide to hold joint UNESCO world heritage status for its natural and cultural qualities. Europe, Scotland, St. Kilda, July

The islands of St Kilda archipelago in Scotland. Island of Hirta. Soay sheep a traditional and old breed of sheep unique to St. Kilda, now feral. It is one of the few places worldwide to hold joint UNESCO world heritage status for its natural and cultural qualities. Europe, Scotland, St. Kilda, July

Bastions proctecting the Portas de Olivenca. Fort Santa Luzia, the greatest preserved fortification of the 17th century worldwide. Elvas in the Alentejo close to the spanish border. Elvas is listed as UNESCO world heritage. Europe, Southern Europe, Portugal, March

The islands of St Kilda archipelago in Scotland. Island of Boreray and Stac Lee having the largest northern gannet (morus bassanus) colonies worldwide. It is one of the few places worldwide to hold joint UNESCO world heritage status for its natural and cultural qualities. Europe, Scotland, St. Kilda, July

View over the town with the fortifications of Fort Santa Luzia, the greatest preserved fortification worldwide dating back to the 17th century.Elvas in the Alentejo close to the spanish border. Elvas is listed as UNESCO world heritage. Europe, Southern Europe, Portugal, March

The islands of St Kilda archipelago in Scotland. Island of Hirta , Traditonal Cleit, a dry stone bothy used for storing food and other materials. It is one of the few places worldwide to hold joint UNESCO world heritage status for its natural and cultural qualities. Europe, Scotland, St. Kilda, July