21 towers visited by Rios Rios

Belem Tower

Big Ben

Burj Al Arab

Burj Khalifa

Dancing House

Dubai Marina

Dubai World Trade Centre

Eiffel Tower

Empire State Building

Freedom Tower

Galata Tower

Montparnasse

One World Trade Center

Petronas Towers

Powder Tower

Prague Astronomical Clock

Saint Mark's Campanile

Santa Justa Lift

Taipei 101 Observatory

Tower of Pisa

Transamerica Pyramid