The Eiffel Tower ( /ˈaɪfəl/ EYE-fəl ; French : tour Eiffel [tuʁ‿ɛfɛl] ) is a wrought-iron lattice tower on the Champ de Mars in Paris ...

The Sydney Opera House is a multi-venue performing arts centre at Sydney Harbour in Sydney , New South Wales , Australia. It is one of t...

The  Petronas Towers , also known as the  Petronas Twin Towers  ( Malay :  Menara Petronas , or  Menara Berkembar Petronas),  are  twin sky...