Designed as a labyrinth, this subterranean prison was crafted without bars or doors.

One of the world's largest shopping malls covers an area of 15 million square feet—and it's still set to grow.

The fire inside this temple has burned for more than 1,500 years.

17th century mosque for Shah Abbas' harem.

This 12,000 year old Iranian cave village has been continuously inhabited for over 3,000 years.