1Bourtange, Netherlands
A haven of green fields and trickling canals, and shaped like a star, Bourtange Fort looks far from martial.
World’s Most Impressive Fortresses
Interesting Facts about the Bramante Staircase in the Vatican
This extraordinary double helix staircase, also known as the "Snail Staircase" or "Bramante Double Helix," is a masterpiece crafted by the renowned Renaissance architect Donato Bramante. As visitors ascend or descend this remarkable structure, they become part of a rich tapestry of history and art.
