A bit longer/more complete list:
City of Cuzco
Fraser Island
Great Barrier Reef
Iguazu National Park
iSimangaliso Wetland Park
Kakadu National Park
Khami Ruins
Los Glaciares National Park
Machu Picchu
Matobo Hills
Okavango Delta
Rapa Nui National Park
Sydney Opera House
Tongariro National Park
Tsodilo
Vallée de Mai Nature Reserve