In this episode, C. G. P. Grey breaks down all the places on Earth that are part of the United States...but with various asterisks. Fire up the BBQ and learn:
Wikipedia has more on that Guano Islands Act, which brought us Midway Atoll, among others.
Chris Higgins is the author of The Blogger Abides, and has written for This American Life, The Atlantic, Breakfast on Mars, and The Magazine. You can follow him at chrishiggins.com.