Hohensalzburg Fortress in Salzburg Austria has clearly stood the test of time, as it was built in 1077.

« Old Walton Bridge (1750-1783), Walton-on-Thames, England – A famous feat of engineering in its day, it was designed to last 200 years. After just 30, it was rotting away.

The “Museum of Tomorrow” is a science museum in the city of Rio de Janeiro, Brazil. It was designed by Spanish architect Santiago Calatrava and opened in 2015. »