The Eagle monument, located at Ward Parkway and 67th Street, originally stood in the courtyard of a Japanese temple and then as a guard outside the Japanese exhibit at the St. Louis World's Exposition in 1904. It was installed in Kansas City in 1935.
Tulip staircase, Queen's house, Greenwich, London, UK. This stunning set of stairs is the Tulip staircase in the Queen's House, a former Stuart royal residence in Greenwich, London. A masterpiece of 17th century engineering, it was the first unsupported, spiral staircase built in England in 1606
Spiraling Out of Control: The Greatest Spiral Stairs in the World
The Vatican stairs (photograph by Sebastian Bergmann) As you may be able to see more clearly here, the stairs are actually two separate helixes, one leading up and the other leading down, that twist together in a double helix formation. Little did the Vatican Museum know in 1932 that this formation would come to represent life itself, with the discovery of the double helical DNA strand.