As New York City celebrates the 400th anniversary of its founding, National Geographic looks back on more than a century of covering the spirited metropolis.

Storms prompted flash flood warnings across the New York City metropolitan area Monday night, with photos showing severe flooding across the city and in parts of New York state and New Jersey. Heavy rain moved through the region Monday,

Floods submerged cars and grounded planes in New Jersey, prompting the governor to declare a state of emergency. The deluge also hit New York and Pennsylvania.