The Main Tower (real name is Helaba) is the only skyscraper in Frankfurt that has an observation platform. Views are stunning, especially at sunset or with dramatic clouds like we have in this video.
The cost for adults is 10€ and you must show either your vaccine QR code with an ID or a negative Covid test. One is allowed a generous amount of time on the platform - 45 min.
They do offer lower prices for kids, etc.
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