1. Dachstein Skywalk, Alps
Built over the Dachstein glacier in Austria, it lies 250 m above the rock face of Hunerkogel.
It gives a beautiful 360 degree view from Slovenia to Czech Republic.
Part of it, is made of glass.
The observation deck is higher than the platforms of the highest waterfalls of the world: Niagara Falls or the Iguazu waterfalls in Brasil.