Rio de Janeiro was once capital of Portugal, making it the only European capital outside of Europe.
9
Spain's capital Madrid means "place of abundant water".
29
France's capital Paris means "the working people".
43
Singapore means "Lion city".
124
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2
Afghanistan's capital Kabul means "hump backed".
60
In major cities like Brooklyn and London, there are fake townhouses that hide subterranean chimney vents, emergency subway exits, and more. Camouflaged in plain sight, they normally go unnoticed within their architectural surroundings.
13