Troglodyte village in IRAN 700 years old - In the north west of Iran at the foot of Mount Sahand in Kandovan, The villagers live in cave homes carved out from the volcanic rock. The age of some houses is more than 700 years.
700 year old Iranian Home. Allegedly, these homes in Iran, carved out of solid rock, were built on the order of 700 years ago and are still inhabited by people who have given them modern touches (you know, the little things like and electricity)
The Hanging Temple : Also called as Hanging Monastery or Xuankong Temple is a temple built into a cliff m or 246 ft above the ground) near Mount Heng in Hunyuan County, Datong City, Shanxi province, China.
City of Caves in Nottingham, England consists of a network of caves carved out of sandstone that have been used over the years as housing for the poor, a tannery, public house cellars, and as an air raid shelter.