Natural wonders
+ Canyons
Grand Canyon, Arizona
+ Mountains
Mount Everest, Tibet
Mount Kilimanjaro
+ Rivers
Nile River, Egypt
+ Waterfalls
Iguazu Falls, Argentina & Brazil
Niagara Falls, USA
Victoria Falls
Manmade wonders
+ Bridges
Golden Gate Bridge, San Francisco, USA
Harbour Bridge, Sydney, Australia
+ Buildings
Empire States Building, New York, USA
Petronas Towers, Kuala Lumpur, Malaysia
+ Fortresses
Great Wall, China
