The United Nations was shut down and hundreds of flights were cancelled after a storm dumped 14 inches of snow on New York and in the north-eastern United States.
Slippery roads have closed schools, businesses and some government offices from the Great Plains to the East Coast.
Thousands of customers still had no electricity in the Southeast because of ice that brought down trees and power lines on Tuesday.
At least 56 deaths have been blamed on snow, ice and cold this week from Kansas to the East Coast.
Diplomats and tourists were surprised when they arrived at the United Nations and found it closed because of the storm.
“I’m going to see the Statue of Liberty,” declared Japanese tourist Midori Uchidate after a UN security guard told her that tours were cancelled.
She was about to face a double disappointment: Liberty Island was closed, too.
More than 700 flights were cancelled yesterday at the three major airports serving New York: more than 400 flights were cancelled at Newark’s airport, along with more than 300 at La Guardia and about 50 at Kennedy International Airport, officials said.