Majority of us have these places on the bucket list and it seems that they have been there forever, people admire them but rarely think of how they were actually built.
Photos below might help to fill some blanks.
Eiffel Tower, Paris
Golden Gate Bridge, San Francisco
Statue of Liberty, New York City
Christ the Redeemer, Rio de Janeiro
Manhattan Bridge, New York City
Sydney Opera House
Gateway Arch, St. Louis
Tower Bridge, London
Space Needle, Seattle