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

These die-hard New Yorkers have spent decades doing what most would find unthinkable — showing tourists the sights of the Big ...

The art deco movement is celebrating its 100th anniversary this year.

Milan's mayor says he will not step down in the face of a sweeping probe into the city's massive urban development over the ...