From a tower meant to be torn down after 20 years to a cable car that shouldn't work in this wind - six construction stories behind landmarks you already know.
Gustave Eiffel's tower had a 20-year demolition clause built into its permit.
Read the full story
The buttressed-core design that let the Burj Khalifa go higher than anything before it.
Read the full story
The real construction timeline behind the Taj Mahal.
Read the full story
A dynasty-by-dynasty breakdown of which sections date to which era.
Read the full story
The hypogeum - the tunnel-and-cage network that powered the games above.
Read the full story
Climbing over 1,000m in under 5 minutes, in wind speeds that would ground most rides.
Read the full story