23 towers visited by Michael Hill
Belem Tower
Big Ben
Burj Khalifa
CN Tower
Eiffel Tower
Empire State Building
Fernsehturm Berlin
Flatiron Building
Galata Tower
Gediminas Tower
Kuala Lumpur Tower
Maiden Tower
Montparnasse
One World Trade Center
Petronas Towers
Po-i-Kalyan
Space Needle
Taipei 101 Observatory
The Shard
Tower of Pisa
Towers of Bologna
