Winter storm ices South, dumps snow on East Coast

States of emergency were in place across across all four states.

“Please do not travel unless you have to,” said Nashville Mayor Karl Dean. “We need to be attentive to our own safety and our own health but also to the safety of our neighbors and our friends.”

Sometimes just staying on the road was a challenge. Some highways were no better than skating rinks.

Hunker down, it's nasty just about everywhere in Tennessee. Don't drive unless you have to. http://t.co/KNaWo8xi3K pic.twitter.com/cXNgCn1xuw

More than 50,000 power customers were off-line, according to Tennessee Emergency management.

In Kentucky, Monday was one of the snowiest days ever. Between 7 and 14 inches was common.

A frozen Bryant Park Fountain ⛲ #NYC @EverythingNYC pic.twitter.com/RZxKzYUj8X

A pipe burst at the city’s iconic Empire State Building, forcing one of its observatories to shut down, a spokeswoman said.

In Ithaca, in upstate New York, temperatures have gotten so cold that even the city’s tourism website is telling people to head to the Sunshine State.

“That’s it. We surrender,” the website says. “Winter, you win. Key West anyone?”

CNN’s Amanda Jackson, Joe Johns, Wolf Blitzer, Camille Cava, Diane Ruggiero, Philip Cantor, Melanie Whitley, Faith Karimi, Nick Valencia, Ryan Young, Derek Van Dam and John Couwels contributed to this report.

CNN