The One World Observatory Deck stands at 1,776 feet above New York City. You will find the observatory decks on floor 100, 101 and 102 of the One World Trade Center. The angles of this glass sky scrapper give it a very beautiful and unique appearance. The most beautiful thing about this newly Constructed glass building is that it can be seen from all over the City of New York. If you'll stand at its base and have a look straight up, you will see that this beautiful architectural masterpiece seem pyramidal.