There's no better way to experience a destination than to peer down upon the landscape from a great height.
From the world's tallest man-made structure to a walkout platform shadowing the Grand Canyon, these 10 observation decks offer some of the world's most breathtaking views.
-- Zoë Smith for Viator
Planning a trip? Browse Viator's Europe tours and things to do, USA tours and things to do, New Zealand tours and things to do, Middle East and Africa tours and things to do, and Asia tours and things to do.
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