99. MetLife Stadium

Location: East Rutherford, New Jersey
Total Cost: $1.99 billion*
Year Finished: 2010
Constructed for nearly $2 billion, MetLife Stadium is one of the most expensive stadiums in the United States. It is located in East Rutherford, New Jersey as part of the Meadowlands Sports Complex. It’s just five miles west of NYC, and it was opened more than a decade ago to replace the famous Giants Stadium.

MetLife Stadium @tripadvisor/Pinterest
Designed by 360 Architecture’s David Rockwell and Bruce Mau, MetLife has a capacity of 82,500 seats. It is the home of the Giants and Jets, as well as the XFL team the Orlando Guardians. According to Billboard, MetLife was the top-grossing stadium in 2012, recouping its hefty construction costs.

100. Mercury City Tower

Location: Moscow, Russia
Total Cost: $1 billion*
Year Finished: 2013
Constructed for $1 billion, Mercury City Tower is a unique, unmissable part of the skyline of Moscow, Russia. Located at plot 14 in Moscow’s International Business Center, the MCT has seventy-five floors and stands 1,112 feet tall, making it one of the tallest buildings in the country.

Mercury City Tower ©Ilya Platonov/Shutterstock
The mixed-used MCT has apartments, offices, a fitness center, and even retail stores. The Tower has hailed as an architectural achievement, and it features a contemporary European style and a unique golden glass façade. The Tower is easily recouping its investment, and it makes millions in revenue just from s alone.

101. One Bennett Park

Location: Chicago, Illinois
Total Cost: $240 million*
Year Finished: 2019
One Bennett Park cost $240 million to construct, and it features luxury one- and two-bedroom apartments for rent. The rental price for this Chicago, Illinois skyscraper starts at $3,650, and you not only get a super-nice apartment, you also get to use amenities like an outdoor pool and cabanas, grand terrace, event suites, a fitness complex, 24/7 concierge, and even a “billiards” room.

One Bennett Park @luxurypropertycom/Pinterest
One Bennett Park even has a 1.7-acre park designed by the famed landscape architect, Michael Van Valkenburgh. Purchasing a condominium in One Bennet is expensive, as you can imagine, costing around $2.35 million on the low end.

102. New York’s Soccer Stadium

Location: New York
Total Cost: $1 billion*
Year Finished: 2024
Construction of New York City’s newest soccer stadium is expected to be a monumental and costly venture. The state-of-the-art facility is estimated to require a staggering $1 billion to complete, making it one of the most expensive soccer stadiums ever built. The astonishing price tag reflects the high costs associated with construction in an urban setting, as well as the stadium’s unique features and advanced amenities designed to provide an unrivaled experience for fans and players alike.

New York’s New Soccer Stadium For NYCFC @Cnn/Pinterest
The proposed completion year for the stadium is 2024, cementing the city’s commitment to expand its sporting infrastructure and further solidify its status as a global destination for professional soccer. Once completed, the new stadium will stand as a testament to New York City’s dedication to advancing its sports scene and investing significant resources to attract top talent and events, boosting the economy and enriching its cultural landscape.

103. Kingdom Tower

Location: Jeddah, Saudi Arabia
Total Cost: $1.23 Billion*
Year Finished: Construction on Hold
Saudi Arabia’s Kingdom Tower was set to become the tallest man-made structure, but the COVID-19 pandemic had other plans. The tower’s construction was delayed in 2020 yet again, marking over seven years since the mega project started.

Kingdom Tower ©Hany Musallam/Shutterstock
Designed by Adrian Smith and Gordon Gill Architecture of Chicago, the building will stand at 3,308 ft. once complete and will be the first structure in the world to touch the one-kilometer-high threshold. The original idea was to build the tower to a whopping 1.6 kilometer height, but it was deemed unsuitable, keeping the area’s geology in view.

104. The Shard

Location: London, United Kingdom
Total Cost: $1.9 Billion*
Year Finished: 2013
The Shard holds the spotlight (or the sunlight!) as the tallest skyscraper in the United Kingdom, standing at 309.6 meters. The tower’s name resembles its shape: a shard of glass. This innovative building stands where the old Southwark Towers once stood before they were demolished in 2008.

The Shard ©Cristian Gusa/Shutterstock
Designed by Renzo Piano, The Shard is quite close to London’s tourist attractions, including the Southwark Cathedral, The Clink Museum, and Borough Market. The luxurious Shangri-La Hotel embellishes floors 34 to 52, while the top 12 floors have exclusive residential apartments with some of the most amazing views in the city.

105. Burj Khalifa

Location: Dubai, UAE
Total Cost: $1.5 Billion*
Year Finished: 2010
The Burj Khalifa is unique and second to none. The towering structure was developed by Emaar Properties and designed by Adrian Smith, a well-known name in the realm of architecture. It touches an 828 meter high point in the sky and has become a vertical city, an icon of the modern architectural world.

Burj Khalifa ©Tomasz Czajkowski/Shutterstock
Burj Khalifa’s exterior cladding was embellished with almost 26,000 hand-cut glass panels, which take around three months to clean from top to bottom! The tower houses residences, hotels, and offices. It is designed in a strategic architectural blueprint with a central spine that reflects wind, or as the chief structural engineer Bill Baker calls it, “confuses the wind.”

106. Freedom Tower, New York City, New York

Location: USA
Total Cost: $3.9 Billion*
Year Finished: 2013
New York City’s Freedom Tower stands laced with painful memories of the past. This skyscraper is Ground Zero’s centerpiece construction and stands on the hallowed site of the former World Trade Center complex with 94 stories.

Freedom Tower, New York City ©meunierd/Shutterstock
The construction started a new chapter in its history in 2014, officially marking the end of New York City’s dreadful history following 9/11. The PANYNJ (New York and New Jersey Port Authority) confirmed the building’s legal name to be “One World Trade Center” instead of the spreading colloquialism “Freedom Tower” in 2009.

107. London Crossrail Project

Location: London, England, United Kingdom
Total Cost: $20 Billion*
Year Finished: Mid-2022
The London Crossrail Project is undoubtedly Europe’s largest construction project, with more than a 60 mile rail line going through 40 stations with 26 miles of new tunnels connecting the city under central London. The railway opened the doors to its central section between Abbey Wood and Paddington on May 24, 2022.

London Crossrail Project ©Dan Kitwood/Getty Images
This mega project is estimated to carry more than 200 million passengers a year, increasing central London’s rail capacity by 10%. The London Crossrail Project has also managed to add about £42 billion to the UK economy, apart from offering steady and frequent train transportation services.

108. Sydney Opera House

Location: Sydney, Australia
Total Cost: $802 Million*
Year Finished: 1973
The Sydney Opera House is a man-made wonder of the world, bound to mesmerize anyone who takes the first look at it. Located on Sydney Harbour’s foreshore, the Sydney Opera House is a multi-venue arts center widely renowned as one of the world’s most distinctive and famous buildings.

Sydney Opera House © byvalet/Shutterstock
This 20th-century architectural masterpiece features an array of glittering white sail-shaped shells as its roof structure, the primary feature that makes it one of the most photographed buildings in the world. The complex hosts over 1,500 performances every year, enjoyed by around 1.2 million people.

109. Atlantis Hotel, Dubai

Location: Palm Jumeirah. Dubai, UAE
Total Cost: $1.5 Billion*
Year Finished: 2008
Atlantis The Palm screams luxury. This top-notch hotel resort sits at the apex of UAE’s Palm Jumeirah and is Atlantis-themed. It is the first such structure built on an island and includes mesmerizing Arabian elements. With two accommodation towers housing 1,548 rooms, this nautically themed resort is joined in the middle by the Royal Bridge Suite and complemented by the Lost Chambers Aquarium.

Atlantis Hotel, Dubai ©Sergii Figurnyi/Shutterstock
But there’s something else that makes this resort famous: the Poseidon and Neptune Underwater Suites, two of the only handful of underwater accommodations around the globe!

110. Millau Viaduct Bridge

Location: Aveyron Valley, Occitanie, France
Total Cost: $524 Million*
Year Finished: 2004
The multi-span Millau Viaduct Bridge opened its gates to traffic in December 2004 and held the position of the tallest bridge in the world until September 2020. With a structural height of 336.4 meters, this bridge spans the gorge valley in the Occitanie Region in Southern France and took over three years to build.

Millau Viaduct ©Richard Semik / Shutterstock
Truly a wonder to look at, the Millau Viaduct Bridge is one of the most remarkable engineering feats of the modern world. It managed to land the 2006 Outstanding Structure Award from the IABSE (International Association for Bridge and Structural Engineering) based on its exceptional structural achievements.

111. Oresund Tunnel Project

Location: Copenhagen, Denmark, and Malmö Sweden
Total Cost: $10 Billion*
Year Finished: 2000
Copenhagen’s Oresund Tunnel Project elicits mesmerized gasps from all who witness it. It connects Sweden and Denmark through a combined motorway and railway bridge across the Oresund Strait. The structure cost a whopping $10 billion and is among the longest tunnels in Europe, running for nearly 5 miles.

Oresund Tunnel Project ©Nick-D /Wikimedia Commons
The actual engineering feat is the successful combination of roadway and railway in this gigantic structure from the Swedish coast to the man-made island of Peberholm. The 2.4 mile Drogden Tunnel completes this crossing between straits and shores, offering a seamless connection between Peberholm and the Danish Amager island.

112. Eurotunnel Le Shuttle

Location: Folkestone, England to Calais, France
Total Cost: $15 Billion*
Year Finished: 1994
Formerly known as the Eurotunnel Le Shuttle, this enchanting Disney-like railway shuttle connects the United Kingdom with France. But this tunnel isn’t like just any other: it transports road vehicles, including motorcycles and bicycles, passengers, and even some animals. Although there are no onboard services on the shuttle yet, passengers and drivers can exit their vehicles and walk around once on board.

Eurotunnel Le Shuttle @Shiran De Silva /Youtube
Freight vehicles take a separate route on the Chunnel, carrying them in shuttle trains along with the passenger carriage known as the Club Car. Getlink, the owner of the Channel Tunnel, operates this gigantic service. The LeShuttle train is manufactured from stainless steel and is about 775 meters (2,540 ft) long.

113. Panama Canal Expansion Project

Location: Panama
Total Cost: $5.25 Billion*
Year Finished: 2016
The Panama Canal expansion project doubled the Canal’s capacity by augmenting the width and depth of the locks and the lanes, and adding a new lane for traffic to allow larger ships to pass.

Panama Canal ©artemu kopylovk/Shutterstock
The Panama Canal Expansion Project also called for newer, larger ships, called New Panamax, which could carry twice as much cargo. The project wasn’t a small one: it cost a whopping $5.25 billion! Formally proposed on April 24, 2006, the expanded canal opened for commercial operations on June 26, 2016.

114. Boston Central Artery/Tunnel Project

Location: Boston, Massachusetts, USA
Total Cost: $24 Billion*
Year Finished: 2007
The United States saw its largest and most challenging highway project in the face of the Central Artery/Tunnel Project. The project had a daunting task: to enhance mobility in one of the country’s oldest and most congested cities: Boston. And it was successful in improving the local environment by building a framework for continued growth in New England and Massachusetts.

Boston Central Artery/Tunnel Project ©Dee Browning/Shutterstock
With state-of-the-art engineering feats, the project built a new underground highway and two new bridges adorning the Charles River. Although the project was hampered by delays, design flaws, cost overruns, and charges of poor execution, it turned out well.