Rubjerg Knude Lighthouse, Denmark
THe Rubjerg Knude Lighthouse in the North Sea coast of Denmark was opened in 1900 and continued to operate until 1968. It was later used as a museum as well as a coffee shop but was shut down in 2002 as it became threatened by rising sands. It can still be visited by tourists, but is expected to fall into the ocean within the next several years.
Beelitz Heilstätten Hospital, Germany
This eery abandoned hospital has been through the mill. After being used as a sanatorium for various conditions, it was later used for treating machine gun victims in WWI, which happened to include a young Adolf Hitler when he was a soldier. After becoming a Soviet military hospital in 1945, it became mostly abandoned after the Berlin Wall fell.