This story appears in the February 2018 issue of National Geographic magazine. Daan Roosegaarde—urban architect, innovator, and night diver—finds bioluminescent plankton inspiring. “They don ...

They would have a long ride back. But they had a lot to see. After gazing into the sky of “Starry Night over the Rhône,” painted in 1888, the two took pictures of each other from the back as ...