panama canal

What was Operation Plowshare?

America had already used two nuclear bombs to devastating effect when researchers thought "maybe we can use these bombs to dig big holes instead." That's right, atom bombs to replace bulldozers. And it worked great.

How the Panama Canal Works

It's on more than one list of the Seven Wonders of the World and for good reason - the Panama Canal is one of the great feats of engineering ever undertaken. First conceived of in the 1580s and finally completed in 1914, the canal has a fascinating history (including a stint where it was considered U.S. soil). Learn all about it on this episode.