Expensive Projects
Architecture
Space Exploration
100

What is the cost of constructing the Burj Khalifa?

$1,499,385,000 (One billion, four hundred and ninety-nine million, three hundred and eighty-five thousand dollars).

100

What year was the Sydney Opera House completed?

20 October 1973.

100

What was the budget for the Mars Reconnaissance Orbiter?

$720,576,893 (Seven hundred and twenty million, five hundred and seventy-six thousand, eight hundred and ninety-three dollars).

200

What is the name of the longest railway tunnel in the world.

The Gotthard Base Tunnel.

200

What year was the Burj Khalifa completed?

1 January 2010.

200

How many images has the Mars Reconnaissance Orbiter sent back to Earth?

329,451 high-resolution images.

300

How many luxury apartments are in the Burj Khalifa?

1,537 luxury apartments.

300

How long is the Gotthard Base Tunnel?

57.1 kilometers.

300

What is the primary purpose of the Large Hadron Collider?

To study the smallest particles in the universe.

400

How much does the Large Hadron Collider cost to maintain annually?

$78,562,140.

400

What was the total cost of constructing the Sydney Opera House?

$102,784,962 (One hundred and two million, seven hundred and eighty-four thousand, nine hundred and sixty-two dollars).

400

When was the Mars Reconnaissance Orbiter launched?

12 August 2005.

500

How many passengers use the Gotthard Base Tunnel every year?

16,785,600 passengers.

500

How many performances does the Sydney Opera House host annually?

1,627 performances.

500

What is the length of the Large Hadron Collider?

26.7 kilometers.