Beyond New York, LA: The other US cities you must visit

Updated July 24 2014 - 3:14pm, first published July 21 2014 - 3:00pm
Bowels of Philadelphia.
Bowels of Philadelphia.
Works from Andy Warhol's early life line the walls at the Andy Warhol Museum in Pittsburgh. Photo: New York Times
Works from Andy Warhol's early life line the walls at the Andy Warhol Museum in Pittsburgh. Photo: New York Times

It's time to take a detour to some of America's under-sung cities. David Whitley leads the way.