AP Photos, PennLive file photo

These are the tallest buildings in Pennsylvania, where each of them ranks and a look at where Harrisburg's high-rises compare.

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Photo via Wikimedia Commons

#20 The Residences at the Ritz Carlton

This Philadelphia skyscraper has 48 floors and rises 518 feet.

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Photo via Wikimedia Commons

#19: 525 William Penn Place

This Pittsburgh high raise is 520 feet tall, and has 41 stories.

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Pennlive file photo

#18: Cathedral of Learning

The University of Pittsburgh's Cathedral of Learning, at 535 feet and 42 stories, is the second tallest educational building in the world, according to the university website.

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Photo via Wikimedia Commons

#17: Tower at PNC Plaza

This Pittsburgh building rises 545 feet. and contains 33 stories.

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Photo via Wikimedia Commons

#16: Philadelphia City Hall

This landmark building is 548 feet tall.

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Photo via Wikimedia Commons

#15: Two Commerce Square / One Commerce Square

This 565-foot building is in Philadelphia.

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Photo via Wikimedia Commons

#14: Gulf Tower

This Pittsburgh skyscraper is 582 feet tall, encompassing 44 floors.

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Photo via Wikimedia Commons

#13 One Oxford Center

This Pittsburgh building rises 615 feet, or 45 floors

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Photo via Wikimedia Commons

#12: Fifth Avenue Place

Located in Pittsburgh, this building rises 616 feet and has 31 floors

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Photo via Wikimedia Commons

#11: G. Fred DiBona Jr. Building (Blue Cross Tower)

This Philadelphia high-rise is 625 feet tall.

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Photo via Wikimedia Commons

#10: One PPG Place

This building in Pittsburgh is 635 feet tall and has 40 floors.

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A sign marks the headquarters for UPMC, University of Pittsburgh Medical Center, atop the US Steel tower, left, above as sign for Ctizens Bank , center left, and beside the BNY Mellon building, right. in the skyline of Pittsburgh, Wednesday, July 26, 2017. (AP Photo/Keith Srakocic)

#9: BNY Mellon Center

This Pittsburgh high-rise is 725 feet tall and has 54 floors.

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Image via www.pcparch.com

#8 FMC Tower

This building adds to Philadelphia's skyline, rising 736 feet

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AP Photo/Michael Sisak

#7 2 Logan Square

Logan Square in Center City Philadelphia, shown at right, is 739 feet and contains 55 floors.

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Photo via Wikimedia Commons

#6: Mellon Bank Center

This Philadelphia building rises 792 feet, and 54 floors.

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A sign marks the headquarters for UPMC, University of Pittsburgh Medical Center, atop the US Steel tower, in the skyline of Pittsburgh, Wednesday, July 26, 2017. (AP Photo/Keith Srakocic)

#5 U.S. Steel Tower

The U.S. Steel Tower in Pittsburgh is 841 feet and contains 64 floors.

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AP Photo/ Tom Mihalek

#4 Two Liberty Place

This Philadelphia skyscraper is 848 feet tall.

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The concrete core of the rising Comcast Center skyscraper, left, is shown with One Liberty Place, in Philadelphia, Tuesday, Jan. 9, 2007. (AP Photo/Matt Rourke)

#3 One Liberty Place

One Liberty Place in Philadelphia is 945 feet tall and encompasses 61 floors.

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This March 29, 2017, file photo shows a sign outside the Comcast Center in Philadelphia. (AP Photo/Matt Rourke, File)

#2 Comcast Center

Headquarters of Comcast, this building towers above Philadelphia, reaching a height of 975 feet, with 58 floors.

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Comcast Innovation and Technology Center is under construction Tuesday Feb. 13, 2018 in Philadelphia. (AP Photo/Jacqueline Larma)

#1 Comcast Technology Center

This not-yet opened building is the tallest in Pennsylvania, rising 1,121 feet. According to the Skyscraper Center, it encompasses 1,329,989 square feet and will contain 40 elevators.

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DAN GLEITER, THE PATRIOT-NEWS

Tallest building in Harrisburg?

This view from the Walnut Street parking garage shows 333 Market Street as the tall building at left. At 341 feet, it's Harrisburg's tallest building. But that won't always be the case.

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Rising soon ...

Harrisburg University has announced plans to build a 36-story building that would be the tallest outside of Philadelphia or Pittsburgh.

See how it would change the city's skyline.

And check out this 3D map of Harrisburg.

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Check out a great view

Here's the view from atop Pennsylvania's tallest building.

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Iconic buildings

Philadelphia Icons: These sculptures, buildings and landmarks define the city

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