Question: What are the current uses of the building known as Hitler's mountain retreat?
Sentence (from "Kehlsteinhaus"): The Kehlsteinhaus (known as the Eagle's Nest in English-speaking countries) is a Third Reich-era building erected atop the summit of the Kehlstein, a rocky outcrop that rises above the Obersalzberg near the town of Berchtesgaden.
Relevant evidence: Yes