15. Walls and Borders

What set off the final uprisings of the Iranian Revolution, against the last Shah of Iran, Mohammed Reza Pahlavi? Would President Jimmy Carter and America back the Shah’s forbidding opponent, the firebrand, Ayatollah Khomeini? And, why would the Revolution prove to be one of the ...  Show more

Why did the Iranian Revolution erupt in 1979? What was the nature of the relationship between President Carter and the ostentatious Shah Mohammad Reza Pahlavi? And, who was the Ayatollah Ruhollah Khomeini, a man whose militant vision for Iran would see it drastically remade? Join ...  Show more

The Great Wall of China is one of the architectural wonders of the world. Stretching for over 21,000km - as far as London to New York and back, twice - it follows what used to be the border between China and Mongolia. Built over a period of 2,000 years by millions of conscripted ...  Show more

This year marks the 30th anniversary of one of the most historic moments of the 1990s. On October 3, 1990, East and West Germany were reunited after 45 years of cold war separation. The reunification process was set in motion a year earlier when border crossings along the Berlin ...  Show more

It's one of the most iconic structures in the world: The Great Wall of China.

But is it just one wall? And who built it and why? Today, Tristan Hughes is joined by William Lindesay OBE to delve into the ancient history of this epic structure and to answer these quest ...

The Berlin Wall divided a country and a city, but it had a purpose. Learn more about its history and how JFK and Barack Obama fit into the picture in this podcast from HowStuffWorks.com.