Grand Canyon Skywalk belongs to the Common Era — dated here to c. 2007 CE at Arizona, USA. Dates mark a scholarly centre of gravity (dedication, completion, or iconic phase), not a single foundation day.
A horseshoe glass bridge 1,200 metres above the Colorado — vertigo as a designed product.
How it amazes the brain
Cantilevered steel with glass floor panels on Hualapai land.
Why it counts as a wonder
It never needed a contest ballot to scramble the brain: scale, craft, or sheer improbability is enough.
Engineering theatre over deep time geology.
On dating
CE means years after the traditional birth of Christ. A monument listed as c. 2007 CE may have been founded earlier, rebuilt later, or become famous only in one phase. Engineering wonders (dams, tunnels, orbiting labs) are dated to opening or assembly.
This is story 95 of 100 in The Trend Ledger’s illustrated desk on world wonders raised after the birth of Christ — the companions to our BCE series.