seen The Great Pyramid of Giza - was disappointed...

You forgot to add a monument of neutrality in Ashgabat (Turkmenistan) which is 185 meters tall.
http://turkmenistan.karakum.net/albums/userpics/DSC_0209.jpg

Besid that #20 is kalled KVLY-TV mast. not Burj Khallifa as the post say this list is quite impressive!

Eiffel Tower ???

The Great Pyramid of Giza is the most important in this top because important is technologie!!! Imagine engineers then and those now ... and the architects ... and the workers ... and the techologies and the problems from the yard!!!

hfvg

The Burj Khalifa is an impressive spectacle.

the pyramids can never be matched for any man made structures.

HAuOdJ As I have expected, the writer blurted out..!