Observation Deck
Overview
An observation deck (전망대, 展望臺) is a facility installed at a high location to provide a panoramic view of the surrounding landscape. It is typically located on the top floor of a building, the summit of a natural terrain, or atop an artificial structure, serving as a tourist attraction and a city landmark. Beyond its simple viewing function, an observation deck offers cultural, educational, and scientific value, and in recent years, it has evolved into an experiential space incorporating cutting-edge technology.
Main Content
History and Development
The concept of observation decks has existed since ancient times. The top of the Roman Colosseum or the watchtowers of medieval European castles served both military purposes and landscape appreciation. In the modern era, with the development of steel-frame construction technology after the Industrial Revolution in the 19th century, large-scale observation decks such as the Eiffel Tower (1889) emerged. In the 20th century, the observation deck of the Empire State Building (1931) became iconic amid the skyscraper construction race, and in the 21st century, observation decks in supertall buildings like the Burj Khalifa (2010) attract tourists.
Types
Observation decks are broadly divided into three types. First, artificial structure type: installed in buildings (e.g., Seoul N Seoul Tower, Tokyo Skytree), towers (e.g., CN Tower), and bridges (e.g., Macau Tower). Second, natural terrain type: created on mountain peaks (e.g., Seoraksan Cable Car Observation Deck), cliffs (e.g., Grand Canyon Skywalk), etc. Third, mobile type: includes temporary viewing from tourist helicopters, hot air balloons, or cruise ships.
Design and Safety
The design of an observation deck focuses on structural safety, securing a view, accessibility, and climate preparedness. Glass floors (skywalks) or outdoor observation decks require reinforced designs against wind, lightning, earthquakes, etc. Additionally, elevators, stairs, emergency exits, safety railings, and CCTV are installed. Recently, as transparent glass observation decks have gained popularity, safety technologies using tempered glass and adhesive films have advanced.
Cultural and Economic Value
Observation decks are a major source of tourism revenue. They contribute to the local economy through admission fees, souvenir sales, and café/restaurant operations. They are also used as filming locations for movies and dramas (e.g., the Empire State Building in Sleepless in Seattle) and are popular for proposals and events. Educationally, they function as learning spaces in various fields such as urban planning, geography, architecture, and astronomy.
World-Famous Observation Decks
- Burj Khalifa Observation Deck (Dubai): 148th floor, 555m high, the world's highest observation deck.
- Tokyo Skytree (Japan): 634m, with observation decks at 350m and 450m.
- Empire State Building (New York): Observation decks on the 86th and 102nd floors, a symbol of New York.
- CN Tower (Toronto): 553m, famous for its glass floor observation deck.
- N Seoul Tower (Seoul): 236m, located on Namsan Mountain, a night view attraction.
- Eiffel Tower (Paris): 276m, with three observation decks.
- Macau Tower (Macau): 338m, also famous for bungee jumping.
Observation Decks in Korea
South Korea has various observation decks. Besides Seoul N Seoul Tower, there are Lotte World Tower Seoul Sky (123rd floor, 500m), 63 Building Observation Deck (60th floor, 249m), Busan Tower (120m), and Gwangju National Asia Culture Center Observation Deck. Natural types include Seoraksan Cable Car Observation Deck, Hallasan Summit, and Ulleungdo Dokdo Observation Deck. Recently, historical and security observation decks like the DMZ Peace Observatory (Paju) have also gained attention.
Latest Trends
As of 2024-2025, observation decks are evolving into experiential spaces combined with digital technology. Services using augmented reality (AR) and virtual reality (VR) to overlay historical and cultural information on the actual landscape are expanding. For example, at Tokyo Skytree, an exhibition recreating the past cityscape using AR is popular. Additionally, with an emphasis on sustainable architecture, observation decks using solar panels, rainwater recycling systems, and eco-friendly materials are increasing. In response to post-COVID-19 demand for non-face-to-face tourism, more observation decks offer 360-degree virtual tours and live streaming services. Notably, Dubai's 'Ain Dubai' (250m), opened in 2024, is the world's largest observation wheel, also serving as an observation deck and generating buzz. In Korea, the Busan Haeundae LCT Observation Deck (101st floor, 411m) is scheduled to open in 2025, with plans to introduce an AR-based city commentary service. Furthermore, universal design, such as braille signs, audio guides, and tactile models for wheelchair users and the visually impaired, is being increasingly applied to enhance accessibility.
Related Topics
- [[Supertall Buildings]]
- [[Tourist Attractions]]
- [[Landmark]]
- [[Skywalk]]
- [[Cable Car]]
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