Why it worked
The post leverages high-quality, visually striking photography of iconic global landmarks combined with a 'curiosity gap' ranking that appeals to viewers' interest in extreme wealth and architectural scale.
Summary
A slideshow presentation listing 18 of the world's most expensive construction projects, ranked by their estimated cost. The post provides a visual tour of famous landmarks, stadiums, and resorts, concluding with the most costly site.
On-screen text
MOST EXPENSIVE CONSTRUCTIONS EVER
18 PETRONAS TWIN TOWERS $2.93 BILLION Kuala Lumpur, Malaysia 1998
17 ROYAL ADELAIDE HOSPITAL $2.97 BILLION Adelaide, Australia 2017
16 YANKEE STADIUM $3.19 BILLION The Bronx, New York 2009
15 CITY OF DREAMS $3.33 BILLION Cotai, Macau 2009
14 THE VENETIAN MACAU $3.66 BILLION Cotai, Macau
13 LOTTE WORLD TOWER $3.85 BILLION Seoul, South Korea
12 WYNN RESORT $4.12 BILLION Las Vegas, Nevada 2005
11 EMIRATES PALACE $4.58 BILLION Abu Dhabi, United Arab Emirates 2005
10 PALACE OF THE PARLIAMENT $4.64 BILLION Bucharest, Romania
9 ONE WORLD TRADE CENTER $4.93 BILLION New York, United States
8 WYNN PALACE $5.22 BILLION Cotai, Macau 2016
7 THE COSMOPOLITAN $5.33 BILLION Las Vegas, Nevada 2010
6 APPLE PARK $6.08 BILLION Cupertino, California 2017
5 SOFI STADIUM $6.33 BILLION Inglewood, California 2020
4 RESORTS WORLD SENTOSA $6.74 BILLION Singapore 2010
3 MARINA BAY SANDS $7.79 BILLION Singapore 2010
2 ABRAJ AL BAIT $19.5 BILLION Mecca, Saudi Arabia 2012
1 THE HOLY MOSQUE $120+ BILLION Mecca, Saudi Arabia