Willis Tower is the love of downtown Chicago and the future of work and also play. The 110-story building is among the tallest buildings in the world and the 2nd tallest building in north America, do it difficult to miss out on when appreciating the city’s skyline.

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The size of this magnificent steel framework skyscraper have the right to seem incomprehensible. Take a look at at this facts and figures and also we guarantee you won’t look at atAmerica's tallestbuilding the same way again.


HISTORY & INSPIRATION

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The initial vision because that Willis Tower pertained to life in 1969 when Sears Roebuck and company decided it essential a main office space for that is 350,000 employees.Willis Tower’s to be designed by architecture firm Skidmore, Owings and also Merrill.After break ground in 1970, the took three years to complete the tower.2,000 construction workers took component in building Willis Tower.The building features a steel-framed bundled-tube building method.Construction to be completed in may 1973.Willis Tower to be the world’s tallest structure until 1998.After 18 years, Sears Roebuck and firm sold the tower and also moved the end of the building.In 2009 the building was renamed Willis Tower ~ the Willis team Holdings, the worldwide insurance broker that calls the Tower that is Midwest home.Willis Tower to be purchased by ski in 2015 because that $1.3 billion.

SKYDECK & THE LEDGE

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Skydeck opened up in 1974 and attracts an ext than 1.7 million travellers annually.InJuly 2009, U.S. Equities Realtyled the design and also construction of a multi-million-dollar remodeling of Skydeck Chicago.With the renovation of Skydeck come The Ledge, a collection of windows that prolong from the structure offering views right down end the city the Chicago.Inspiration for The Ledge come from hundreds of forehead prints left behind on the Skydeck home windows each main as seen in the memorable scene from Ferris Bueller’s job off.The ledge is 1,353 feet and 103 stories up.Skydeck is the greatest observation deck in the united States.The Ledge is made of three layers that half-inch thick glass laminated into one smooth unit.The Ledge is developed to withstand four tons the pressure and also can hold 10,000 lbs.Each Ledge box has actually “heat tracing” to melt snow off.The boxes retract right into the building for simple cleaning and maintenance.On a clean day, see can expectations 50 miles and also four states: Illinois, Indiana, Wisconsin and Michigan.Guests can enjoy interactive and educational attractions that highlight the above building and also celebrate Chicago’s sports, architecture, history, food, music and people.

FAST facts BY THE NUMBERS

12th tallest structure in the world2nd tallest building in north American/Western Hemisphere1,450 feet high (443 meters) and also 110 story tall1,730 feet high (520 meters) consisting of the building’s pair antennae4.56 million gross square feet = 101 soccer fields76,000 loads of steelThe merged weight that the structure is 222,500 tonsAverage guide is about 6 inches native true centerThe tower has actually 16,100 bronze-tinted windows25,000 miles of electrical cable25 miles of plumbing80 miles of elevator cable145,000 irradiate fixtures43,000 mile of telephone cableCost more than $175 million to build104 elevators relocating 1,200 feet every minuteMore than 16,000 square feet of conference rooms99th floor occasion space3 entrances

WILLIS TOWER TODAY

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Willis Tower is own by Blackstone and managed by EQ Office. The tower is residence to an ext than 100 businesses consisting of law, insurance, transportation, jae won companies and also more.Radio and also television stations space broadcast native Willis Tower’s rooftop.15,000 human being work at Willis Tower each day, no counting the thousands of building and Skydeck visitors.12 million people pass by and through Willis Tower every year. Willis Tower contains approximately 4.56 million gun square feet which would cover 105 acre if spread throughout one level, the tantamount of 16 city block in Chicago or 101 football fields. Willis Tower has a rentable area the 3.8 million square feet.Each floor the the building is separated into 75-foot column complimentary squares, or “mega-modules” which provide maximum planning, flexibility and also efficiency.Some that the best materials like travertine, stainless steel, granite and other decorative features are offered throughout the structures common locations to highlight the property’s prestige.In 2017, 125,000 square feet of brand-new amenity an are including ‘Tower House’ and also ‘Altitude’, were constructed exclusively because that Willis Tower tenants.Tower residence is situated on the 33rd and also 34th floors special a bar, café, conference center and also 30,000 square foot fitness facility called TONE.Altitude is located on the 66th and also 67th floors special a café, be safe lounge seating, informal conference spaces, and breathtaking views of Chicago’s lakefront.

REDEVELOPING one AMERICAN ICON

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In early on 2017 Blackstone and EQ Office announced plans because that the best restorative change project in the building’s history.Blackstone has actually invested more than $500 million come redevelop this American icon.The redevelopment consists of more than 300,000 square feet of new retail, dining and also entertainment an are at the base of the tower, 150,000 square feet of new tenant amenity spaces, and also a 30,000 square-foot the end deck and also garden.Gensler is the architectural companion of document for the Willis Tower redevelopment.SkB Architects is top the architecture effort because that the street level experience and also façade that Willis Tower’s brand-new base.From street to skies the building will administer inviting hospitality and memorable experiences on a range unmatched by any other destination.The mission of the redevelopment is to produce an all-season, urban location that bring the surrounding community together and also creates a true ar that is the heart of downtown Chicago.The building’s new exterior is designed to it is in warm, inviting and also approachable, prolonging the streetscape to produce a sense of community and immerse workers and visitors in true Chicago.The brand-new Willis Tower will dissolve the borders in between work and life and fostering a collaborative, inviting atmosphere.The Wacker journey lobby reopened in July 2019 and also features an art installation by famous artist Jacob Hashimoto title “In the heart of this limitless Particle the Galactic Dust, 2019”. The hanging sculpture is virtually 16-feet tall and 42-feet broad creating a cloud built from almost 7,000, nine-inch individual kite-like disks.Willis Tower’s Wacker lobby is being remade native the ground up to be an ext open and inviting. It will feature expansive lounges, a bar and patio.At the floor level on Jackson Boulevard will certainly be Catalog, a 300,000 square foot an are featuring 5 levels of brand-new retail, dining, entertainment and also a revamped Skydeck experience.Catalogis scheduled for completion in early 2021.

DOING OUR component TO save THE PLANET

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At Willis Tower, we are continuously broadening our eco-conscious efforts and also investigating harnessing solar energy, constructing added green roof space, and also more.Believe sustainability matters? we do, too. Us have already cut the building’s original energy usage by a third.

Who knew the the true shade of the Willis Tower was green? The Willis Tower is not just an innovator in promoting green practices amongst its tenants, but likewise stands as a leader amongAmericanskyscrapersin boosting energy and water efficiency and also reducing waste.

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Over the past 20 years, the Tower has reduced yearly electricity intake by 34% by installing magnified lighting systems and controls and also adopting unique conservation practices. The building saves 10 million gallons that water each year, or the indistinguishable of 156,448 full bathtubs, by relying on diminished water-flow fixtures. These advancements are spurring the structure to look into certification as a LEED (Leader in Energy and also Environmental Design) certified building and also explore renewable energy resources, such together solar and wind power and also even “green roofs” covered with vegetation. Deserve to you imagine a thriving garden high in the sky?

Willis Tower has achieved the following in the greening that the tallest building in the west Hemisphere:

Reduced yearly electricity usage by 34 percent in the critical 20 years.As component of the building's recycling program, tenants freshly recycled end 2,103 tons of paper, aluminum, glass, & plastic and construction garbage annually.Saving more than 10 million gallons of water annually, the equivalent of 156,448 bathtubs. Recycled an ext than 16 lots of electronic devices over one year.Implemented tenant bike riding program that carry out indoor bike parking, showers, transforming rooms, complimentary loaner bikes, helmets and locks.Offered parking discount incentives to tenants driving hybrid vehicles.Reduced water consumption by installing low-flow fixtures.Initiated a home window replacement regimen to enhance insulation.Improved energy efficiency through amplified lighting systems and ontrols, higher efficiency motors and also management practices.Implemented eco-friendly cleaning and maintenance program that minimize the usage of harmful chemicals.Transitioned come a team clean approach; new staffing procedure will minimize the lot of lights on in ~ night for energy savings


MILESTONES

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TEACHER RESOURCES

There is a lot of of great stuff for youngsters to see and do. Monitor the links listed below to check out the various tasks offered top top the site for kids. Don’t forget come download lock all before you come on your visit!

Skydeck Chicago’s Teacher’s guide has 37 pages that facts and fun. Take a look!

Printable fun reality sheet, quizzes, colour pages and also even a scavenger hunting for your visit are just a click away.