Valletta has been included in CNN's list of the world's 20 most beautiful World Heritage Sites.
Angkor, Cambodia tops the list, followed by the Acropolis in Greece, Bagan, Myanmar and the Galápagos Islands, Ecuador.
Also on the list are Göreme National Park and the Rock Sites of Cappadocia, Turkey, the Great Barrier Reef, Australia, Hampi, India, Iguazu National Park, Brazil and Argentina, Los Glaciares National Park, Argentina, Machu Picchu, Peru, Mont-Saint-Michel, France
Mont-Saint-Michel, Petra, Jordan, the Pyramids of Giza, Egypt, Rapa Nui, Chile,
While it's possible to access Easter Island by air from Tahiti, most visitors opt for the five-and-a-half hour flight from Santiago, Chile, Serengeti National Park, Tanzania, Sigiriya, Sri Lanka, and Tulum, Mexico.
After Valletta comes Venice and its lagoon, and Yellowstone National Park in the United States.
http://edition.cnn.com/2013/04/28/travel/20-beautiful-unesco-sites