An Aldehyde is an organic compound containing a terminal carbonyl group. This functional group, which consists of a carbon atom which is bonded to a hydrogen atom and double-bonded to an oxygen atom (chemical formula O=CH-), is called the aldehyde group.
Berchtesgaden-a town in Bavaria The town of Berchtesgaden is located near Hitler's Eagle's Nest (Kehlsteinhaus) and can be easily reached by train; there are several hotels and it is an inexpensive place for tourists to stay overnight.
Hitler's Eagles Nest, Germany, still sits on a mountain peak high above Berchtesgaden in the Bavarian Alps. In one of history's weird turns, Martin Bormann's birthday present to Adolf Hitler is now a cosy restaurant with a spectacular 360 degree view of the Alps.