Long before air conditioning, Persian architects found an ingenious way to cool off.

The most sacred Jewish shrine in Iran and a fine example of restoration works gone wrong.

This ancient burial site is believed to be one of the first earthquake-protected structures in the world.

A spectacular rainbow of stained glass makes the "Pink Mosque" one of the most beautiful in Iran.

Ancient structures used to make and preserve ice in the deserts of Persia.

A mountain of conch shells created by centuries of fishermen.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.