Mark Grundmann, Inc. 

 Skylon Tower, Niagara Falls, Ontario, Canada.

 

 Kyoto Tower, Kyoto, Japan.

 Kyoto Tower, Kyoto, Japan.

 

CN Tower, Toronto, Ontario, Canada.

 World Trade Center, New York, U.S.A..

Acrylic block Seoul Tower, Seoul, South Korea.

 St. Louis Gateway Arch, not technically a tower, however, it is the world's tallest man-made arch, AND I double Phantomed it.

 Hotel Eurostars Madrid Tower, Madrid, Spain.

 

 The Orirntal Pearl Tower, Shanghai, China.

 The Jin Mao Tower, Shanghai, China.

Seattle Space Needle, Seattle, Washington.

 Central China TV Tower, Beijing, China.

 Taipei 101 Tower, Taipai, Taiwan.

 

 

Torrespana Tower, Madrid, Spain.



Berlin 360 degree Tower, Berlin, Germany.