18 towers visited by Grischa Poweleit

Belem Tower

Bell Tower

Big Ben

CN Tower

Eiffel Tower

Fat Margarita Tower

Galata Tower

Kiek in de Kök

Maiden's Tower

Old Town Hall

Petronas Towers

Roloi Clock Tower

Saint Mark's Campanile

Santa Justa Lift

Supertree Grove

Tall Hermann

Tallinn TV Tower

Tower of Pisa