Hyperbuildings & ultra-/supertalls

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In the past, the sky was absolutely the limit and many hyperbuildings and ultratalls were proposed. Tokyo was one of the leading cities of proposing mega structures which were never built, for example these buildings:

X-Seed 4000, 4 km(!) and 800 floors:

- This is the tallest building ever envisioned, at 4000 meters high with 800 floors.





TRY 2004, 2004 m:





Aeropolis, 2001 m and 500 floors:



M.O.T.H.E.R., 1321 m and 220 floors:



Hyper Building, 1000 m:

- With services to house up to 100,000 people, the Hyper Building is a city unto itself. Resources are recycled to reduce the impact on the environment.



Sky City 1000, 1000m and 196 floors:

- With a height of 1,000 meters and a total floor area of 800 hectares, SKY CITY 1000 is a superhigh-rise city comprising 14 concave dish-shaped, aerial bases called, "Space Plateaus" stacked one upon the other.
- Residences, offices, commercial facilities, schools, theaters and so forth are organically located in these spaces.
- 35,000 people will reside here, and 100,000 people will work here.
- Since the announcement of this concept in 1989, it has attracted attention throughout the world, and on the threshold of the next millennium, there are increasing expectations for its realization.
- Fire simulations are being examined to estimate the threat to the 35,000 residents.
- Triple decker high speed elevators, which will hold up to 70 people, are now being designed at experimental labs outside of Tokyo.
- Each Space Plateau will have its own train circumnavigating the plateau.
- Tokyo's only Fire Helicopter is now being used in exercise drills to test the ability to fight fires in such a tall structure.







The Spiral, 1000 m and 200 floors:

- One of many hyperproject proposals that Tokyo is considering as a solution to everlasting urban congestion.
- This building would recycle some 90% of its waste internally thus being a very clean and ecologically sustainable building in the long run.

picture: http://www.emporis.com/en/wm/bu/?id=103141

Seiren 21, 930 m and 180 floors:



Dynamic Intelligent Building, 800 m, 200 floors:



Millenium Tower, 840 m and 180 floors:

- Developed in response to the hurricane-strength wind forces and earthquakes for which the region is notorious, the tower's conical structure, with its helical steel cage, is inherently stable.
- Rising out of Tokyo Bay, two kilometres offshore, the tower is capable of housing a community of up to 60,000 people, generating its own energy and processing its own waste.
- With its own transportation system, this vertical city quarter would be self-sustaining and virtually self-sufficient.
- The lower levels accommodate offices, light manufacturing and 'clean' industries such as consumer electronics. Above are apartments, while the topmost section houses communications systems and wind and solar generators, interspersed with restaurants and viewing platforms to exploit the spectacular views.





Holonic Tower, 600 m and 120 floors:

- Holonic Tower is a supermultifacility building in which the concept of "holon" is used not only in design and construction, but is also carried through as far as the variety of systems for operation.
- Furthermore, this tower does not have all of its spaces filled up with facilities, but instead has a multilevel structure incorporating voids. Through these voids, air and light flow into the building in abundance, providing an attractive living space where people can enjoy a dramatic experience by looking at it or living in it.





Shimizu Super High Rise, 550 m:

http://www.elevator-world.com/magazi...1-003.html-ssi

- Designed to demonstrate the feasibility of building such a tall habitable structure in an area vulnerable to strong earthquakes and typhoons.
- The design called for a tower in 3 even parts, divided by sloped setbacks. The plan was an 8-pointed star with X-braces at the corners on the lower two-thirds.
- The crowning feature of the design was a large heliport, supported by a trussed structure at the tower's peak.



Most of the pictures here are coming from: http://www.hokuriku-shinbun.com/hokuriku/kensetu/mirai/
And the most of the information is coming from Emporis.


I saw a list on the internet showing much more buildings, visions and proposed, of unknown heights. This is the list, and many towers are unknown to me.

Rank Name City Country Feet Meters Floors Year/Uses Architect(s)

4 KM(!):

X-Seed 4000 Tokyo Japan 13129 4000 800 Multiple

1000 - 2100 M:

Hexahedron City Scottsdale United States 6892 2100 200 Paolo Soleri
Try 2004 Tokyo Japan 6577 2004 400 Multiple
Aeropolis 2001 Tokyo Japan 6565 2001 500 Multiple
Houston Pinnacle Houston United States 5284 1610 500 Skidmore, Owings & Merrill
Illinois Mile High Tower Chicago United States 5280 1609 528 Multiple Frank Lloyd Wright
The City Pyramid Singapore Singapore 4923 1500
Mother Tokyo Japan 4334 1321 220 Multiple
Bionic Tower Hong Kong China 3702 1128 300 Residential Pioz, Cevelra, Celaya
Super Pyramid Japan 3282 1000 195
Sky City 1000 Tokyo Japan 3282 1000 196 Multiple
Europa Tower Brussels Belgium 3282 1000 L-35 Arquitectos

800 - 1000 M:

M Tower Shanghai China 2954 900 Sir Norman Foster
Kinetic Tower Chicago United States 2921 890 Multiple
Seiren 21 Konoike Japan 2888 880 180 Multiple
Erewhon Center Chicago United States 2823 860 207 William J. LeMessurier
Millennium Tower Tokyo Japan 2757 840 180 2009 Multiple Sir Norman Foster
Dynamic Intelligent Bldg. Tokyo Japan 2626 800 200 Multiple
Aquarius Tokyo Japan 2626 800 200

600 - 800 M:

The Pinnacle / Al Burj Dubai UAE 2461 750 120 Pei Partnership Architects
Burj Dubai Dubai UAE 2313 705 160 Multiple Skidmore, Owings & Merrill
Chicago World Trade Center Chicago United States 2300 701 181 Multiple Harry Weese Associates
Taisei Japan 2297 700 170 Multiple
Cintas Tower New York United States 2232 680 180 M. Miqueli
World Centre for Vedic Learning Jabalpur India 2222 677 224 2008 Multiple Minoru Yamasaki & Associates
[b]Park Square Tower[b] Dubai UAE 2185 666 150 Artec Consultants
Chicago World Trade Center Chicago United States 2183 665 168 Skidmore, Owings & Merrill
Project 112 Coexistence New York United States 2160 658 155 Future Systems
Tower of Russia Moscow Russia 2101 640 126 Skidmore, Owings & Merrill
Atlanta Tower Atlanta United States 2015 614 130 Multiple
Step-Over Tower Tokyo Japan 2001 610 160 Multiple
Fordham Spire Chicago United States 2000 610 115 Santiago Calatrava
Kostabi World Trade Center New York United States 2000 609 160 Eli Attia Architects
Argentine Federale Bldg. Buenos Aries Argentina 2000 609 120 Cesar Pelli & Associates
Miglin-Beitler Skyneedle Chicago United States 1999 609 125 Multiple Cesar Pelli & Associates
TAK 600 Tokyo Japan 1969 600 106 Office
Paris Government Tower Paris France 1969 600 Jacques Carlu

500 - 600 M:

World's Fair Tower Seto Japan 1956 596 150 2005 Multiple Ken Yeang
Janus Tower/Expo 200 Hannover Germany 1904 580 130 K. Moenag
Kowloon MTR Tower Hong Kong China 1883 574 108 2007 Multiple Skidmore, Owings & Merrill
Grollo Tower Melbourne Australia 1838 560 113 2004 Multiple Denton Corker Marshall
Shimuzu Super High-Rise Tokyo Japan 1804 550 121 Multiple
Menara Nur Darul Ima Kuala Terengganu Malaysia 1800 548 75 Principal International Group
New York Stock Exchange Tower New York United States 1792 546 140 Office Kohn Pedersen Fox Associates
Grant USA Tower Newark United States 1748 533 121 Multiple Pietro Belluschi
Wolf Point Chicago United States 1745 532 142 Multiple Kay E. Vierk
Chongqing Tower Chongqing China 1693 516 114 Office/Hotel Haines Lundberg Waehler
Phoenix Tower Phoenix United States 1692 516 114 1989 Multiple
Hangang City Tower Seoul South Korea 1686 514 134 Multiple Hyundai, IIT Chicago
Television City Tower New York United States 1670 509 130 Multiple Murphy/Jahn
Ec Tower Buenos Aries Argentina 1670 509 94 Jean-Marc Schivo
Taipei Financial Center Taipei Taiwan 1667 508 101 C.Y. Lee & Partners
Maharishi Tower The Colony, TX United States 1659 506 108 Minoru Yamasaki & Associates
Grollo Tower Melbourne Australia 1640 500 120 Multiple Harry Seidler & Associates
JK Communication Tower Jakarta Indonesia 1640 500 120 Murphy/Jahn
Advanced Building Complex Tokyo Japan 1640 500

460 - 500 M:

Maharishi Tower of World Peace Sao Paulo Brazil 1621 494 103 2005 Multiple Minoru Yamasaki & Associates
Shenzhen Twin Towers 1 Shenzhen China 1601 488 128 Rangsan Architects
Shenzhen Twin Towers 2 Shenzhen China 1601 488 128 Rangsan Architects
Columbus Circle Project New York United States 1600 488 137 Multiple Eli Attia Architects
? Chicago United States 1600 488 120 Multiple Ricardo Bofill, James DeStefano
Maharishi Tower Johannesburg South Africa 1600 488 108
Taisei 480 Tokyo Japan 1575 480 100 Multiple
7 South Dearborn Chicago United States 1567 478 112 2004 Multiple Skidmore, Owings & Merrill
Southwark Tower London United Kingdom 1550 472 100 Will Alsop
Mallory Clifford Project London United Kingdom 1543 470 100 Multiple Ken Yeang/ HTA Architects
Nina Tower Hong Kong China 1535 468 108 Arthur CS Kwok
Suyong Bay Tower Pusan South Korea 1516 462 88 2002 Multiple Kohn Pedersen Fox Associates
Columbus Circle Project New York United States 1510 460 135 Skidmore, Owings & Merrill
Citygate Ecotower London United Kingdom 1509 460 108 /td> Multiple m3 Architects

As you can see this list is not complete, Dubai, some visions for Bangkok or Istanbul are not on the list etc.

Some of them are well known, some of them not. Some of them are built in another height or form. But the most aren't well known, so:

Has anyone got pictures or more information about them?

This topic is for ultratalls and hyperbuildings, cities inside one buildings, megastructures and not for towers u/c. Thank you.