Geography of International Travel by U.S. Presidents
So where have U.S. presidents traveled? This article explores the geography of international travel by sitting U.S. presidents.
Review | The Longest Line on the Map
This book tells the story of how and why the Pan-American Highway was conceived and, poignantly, the why of a stubborn gap that remains unconnected.
World’s Largest Water Bridge
The world’s largest sea bridge/tunnel system, which took nine years to build, connects Hong Kong to Macau and the mainland Chinese city of Zhuhai.
Where the US Streets Have No Names
Numerical numbering systems, or numbering streets in specific orders, is one way some cities have taking the pain out of navigation. A comprehensive analysis of streets in the US found that half of the cities here prefer to have their streets numbered rather than named.
Which Countries Have No Airport?
How many countries in the world have no airports? There are five countries, all located in Europe, out of the 196 countries in the world that have no airports located within their borders.