Tunnel · United States
$330 million
BudgetGuessr project library
What the world’s biggest projects really cost
Compare published costs, timelines, project scale and original sources behind remarkable infrastructure and space missions.
Verified project costs
Explore the collection
1733 projects
Skyscraper · United States
$3 billion
Central Park Tower
2019Stadium · Thailand
THB 400 million
Chang Arena
2011Approximately $13.12 million
Stadium · South Korea
KRW 116 billion
Changwon Football Center
2009Approximately $90.82 million
Tunnel · France
£9.5 billion
Channel Tunnel
1994Approximately $14.54 billion
Bridge · People's Republic of China
CNY 3.2 billion
Chaotianmen Bridge
2009Approximately $468.42 million
Stadium · Ivory Coast
XOF 47 billion
Charles Konan Banny Stadium
2022Approximately $75.35 million
Stadium · United States
$60 million
Chase Stadium
2020Skyscraper · United States
$300 million
Chase Tower
1987Railway · United States
$530 million
Chicago 'L' — Brown Line Capacity Expansion
2010Stadium · United States
$191 million
Choctaw Stadium
1994Skyscraper · United States
$14 million
Chrysler Building
1930Skyscraper · United States
$195 million
Citigroup Center
1977Railway · Denmark
DKK 25.3 billion
City Circle Line
2019Approximately $3.79 billion
Skyscraper · Czech Republic
CZK 1.5 billion
City Tower
2006Approximately $66.38 million
Tunnel · Sweden
SEK 9.45 billion
City Tunnel
2005Approximately $1.26 billion
Airport · Spain
€1.1 billion
Ciudad Real Central Airport
2008Approximately $1.62 billion
Stadium · United States
$21.7 million
Civic Arena
1961Stadium · United States
$3 million
Cleveland Stadium
1931Energy · United States
$4.25 billion
Clinton Power Station
1987Stadium · Romania
€45 million
Cluj Arena
2011Approximately $62.54 million
Bridge · United Kingdom
£20.3 million
Clyde Arc
2006Approximately $37.35 million
Stadium · United Kingdom
£14 million
Colchester Community Stadium
2008Approximately $25.74 million
Skyscraper · United States
$540 million