Kupelwieser-Schlössl
Austria
The 186th tallest tower in the world
Kupelwieser Castle (Kupelwieser-Schlössl, also known as Falkenturm, Konstantinturm, Marienschlössl or Stauffenegg) is a neo-Gothic villa on the Mönchsberg hill in Salzburg, Austria. Since 1995 it has been protected as a historic monument.
Building data from Wikidata (CC0); heights normalised. Summary from Wikipedia (CC BY-SA).