**1. Notable Observation Decks:** – The Edge at 30 Hudson Yards in Manhattan is the highest outdoor deck with transparent flooring. – The Shanghai Tower observation deck offers stunning views. – The Skylon Tower observation deck overlooks Niagara Falls. – The TK Elevator Test Tower provides views of Germany’s Black Forest and the Alps. – St Eusebius Church in Arnhem, Netherlands, has glass balconies for sightseeing. **2. Tallest Skyscraper Observation Decks:** – Burj Khalifa in Dubai has an observation deck on the 148th floor. – The Ping An Finance Centre in Shenzhen boasts a deck on the 115th floor. – Merdeka 118 in Kuala Lumpur has decks on the 100th floor, with additional decks on levels 94 and 97. – Tokyo Skytree features multiple observation decks at different heights. – Taipei 101 in Taiwan offers indoor and outdoor observation decks on various floors. **3. Iconic Observation Decks in the U.S.:** – Willis Tower in Chicago has the highest observation deck in the U.S. – One World Trade Center in NYC has decks on the 100th, 101st, and 102nd floors. – The Empire State Building has 15 observation levels, with the highest one outdoors. – The Strat in Paradise is the tallest observation tower in the U.S. – One Vanderbilt in NYC has observation decks on the 62nd and 63rd floors. **4. Global Skyscraper Observation Decks:** – Sky100 in Hong Kong offers a 360-degree indoor observation deck on the 100th floor. – Landmark 81 in Ho Chi Minh City has observation decks on the 79th, 80th, and 81st floors. – Petronas Towers in Kuala Lumpur have an observation deck on the 86th floor of tower 2. – The John Hancock Center in Chicago features an observation deck on the 94th floor. – The Milad Tower in Tehran has an observation deck at the top level. **5. Historical and Diverse Observation Decks:** – The Eiffel Tower in Paris has observation decks on the 71st and 70th floors. – Tokyo Tower’s observation deck was opened in May 2012. – The Space Needle in Seattle offers panoramic views. – The Calgary Tower in Canada has an observation deck for visitors. – The N Seoul Tower sits atop Namsan Mountain in Seoul.