Chicago’s O’Hare has reclaimed at least part of the “world’s busiest airport” title it held for years until Atlanta’s Hartsfield/Jackson passed it in 2005. The title is split now, with O’Hare having the most departures and arrivals, and Atlanta having the most passengers. How long either of them can hold any of the title in view of the growth of passenger traffic in China, is questionable. DETAILS

The Museum of Relief Maps, Paris
Tucked away in the attic of the Hôtel des Invalides is a fascinating bit of military and cartographic history