Urban planners from Mexico City to Toulouse are adopting the high-flying mode of transit. Will it catch on elsewhere?

For his 2015 book, "Air," the Pulitzer Prize-winning aerial photographer traveled to 10 cities around the world and captured the sights from a helicopter soaring overhead. "When you're above ...

Aerial footage taken from a helicopter flight over fire-damaged areas on Wednesday (January 22) showed the extent of damage ...