Ryugyong Hotel, North Korea It was an ambitious plan gone awry. In North Korea began building a 3000 room pyramid-shaped luxury hotel in Pyongyang in anticipation of a tourist boom that never materialized.
Historic and ethnographic museum on Sulaiman-Too mountain in Osh, Kirghizia. Built in 1978 as a huge glassed concrete arch which in fact closes the entry to the cave. Initially planned to use it for a restaurant but it never happened.