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.
Crows Nest National Park. To the east of Crows Nest is the excellent Crows Nest National Park, 489 hectares of rugged country on the edge of the Great Dividing Range which includes the dramatic Crows Nest Falls and a deep rainforest gorge in an area characterised by open eucalypt forest.