STORY HIGHLIGHTS
- NYC subway floods, millions without power
- Hurricane Sandy wreaks havoc and causes fear along the East Coast
- "This is a nor'easter on steroids," one meteorologist says
- The destruction is breathtaking, residents say
Have you been affected by Superstorm Sandy? If so, share your images and footage with CNN iReport, but please stay safe.
(CNN) -- Beth Bartley clutched anything within reach to steady herself on the bathroom floor of her shuddering Manhattan apartment.
Sandy had knocked out power. East 96th Street below was a river. She was on the fifth floor, bracing herself as the building shuddered and creaked.
"The winds were so strong that the building heaved. It was eerie," said Bartley, an actress. "It was really scary."
Monday night, Superstorm Sandy descended on the Northeast with a fury that astonished even veteran weather watchers. Buildings crumbled, floods and fires have destroyed homes and millions are without power. Ice and rain whipped off Sandy's edge, blanketing West Virginia with several feet of snow.
Bartley was safe after riding out the storm but that was more than could be said for her neighbors miles west of upper Manhattan in Bergen County, New Jersey. Hundreds of people were rescued after they were stranded on the roofs of their homes floating in a tidal surge. A natural berm had broken.
In New Jersey alone, millions of households had no electricity, twice the number left in the dark during Hurricane Irene last year, Gov. Chris Christie said.
Sandy brings death, flooding, outages
Flooding was a huge problem everywhere. New York City's subway tunnels were soaked as water coursed into elevator shafts. The storm sparked fires that destroyed dozens of homes, left a giant crane wobbling dangerously near a luxury apartment building in Manhattan, ripped up part of Atlantic City's fabled boardwalk and turned the historic Jane's Carousel into an island.
It claimed life after life.
Millions left in the dark
"This is a nor'easter on steroids," said Reed Timmer, a meteorologist who appears on the TV show "Storm Chasers."
Even though New Jersey Gov. Chris Christie bluntly asked residents not to be "stupid" and get out, Trevor Mann was one of the few in his area of Ocean City who did not heed the evacuation calls.
He watched as the eye of storm passed over his coastal city Monday evening, and floodwater rushed in like a relentless linebacker.
The wind threw patio furniture into homes. Rushing waters made beach houses disappear.
The destruction was breathtaking.
"I am not going outside," Mann said. "But when people do go outside, the cleanup is going to be tremendous and there is going to be a lot of damage."
In the dead quiet of the night, lights out in his home in Union City, New Jersey, Shane Didier heard a thunderous crash. A huge generator on the street had exploded, sending a fireball into the sky worthy of a Bruce Willis movie.

Atlantic City, New Jersey, resident Kim Johnson inspects the area around her apartment building, which flooded on Tuesday, October 30. Large sections of an old boardwalk also were destroyed by Superstorm Sandy. Nearly 11,000 people spent Monday night in 258 Red Cross-operated shelters across 16 states because of Sandy, the American Red Cross tells CNN. View photos of New York recovering from impact.
Cars float in a flooded parking area on Tuesday in the financial district of New York.
A power line knocked over by a falling tree blocks a street on Tuesday in Chevy Chase, Maryland.
Waves break next to an apartment building in Atlantic City, New Jersey, on Tuesday.
Workers shovel debris from the streets in Ocean City, Maryland, on Tuesday.
A U.S. Coast Guard helicopter flies over Central Park in New York City.
A man jogs near a darkened Manhattan skyline on Tuesday after much of New York City lost electricity.
Workers clear a tree blocking East 96th Street in Central Park in New York on Tuesday.
Rising water rushes into an underground parking garage in New York's financial district on Monday, October 29.
Taxis drive down a New York street where the power was out late Monday, October 29.
A firefighter speaks to a colleague while surveying damage caused by Sandy on Monday in New York.
Flooded cars line the streets of New York's financial district Monday night.
A truck drives by a flooded gas station in the Gowanus section of Brooklyn on Monday.
A flooded street is seen at nightfall during the storm on Monday in Atlantic City, New Jersey.
Firefighters evaluate an apartment building in New York that had the front wall collapse during the storm on Monday.
Heavy rains fall in Manhattan on Monday.
People walk through water on the beach near high tide Monday as Sandy approaches Atlantic City.
Two men run down Foster Avenue while dodging high winds and waves from the storm on Monday in Marshfield, Massachusetts.
An emergency vehicle plows through floodwaters on Monday in Dewey Beach, Delaware.
A person tries to cross the street during the storm on Monday in Atlantic City.
A traffic sign warns motorists west of Philadelphia on Monday.
A wall of water makes its way to shore as residents brave the storm Monday in Ocean City, Maryland.
A downed tree and fallen power lines lie over homes Monday on Harvard Street in Garden City, New York.
Two people shoot video along Brooklyn Heights' Promenade on Monday as Sandy approaches landfall.
Work crews push sand from a roadway in Fort Lauderdale, Florida, due to storm surge related to flooding on Monday.
Two women battle wind and rain with umbrellas in hand in Philadelphia on Monday.
Kira Brizill leads family members as high tide and winds flood the street on Monday in Freeport, New York.
John Edgecombe II, who is homeless, takes refuge from the rain and wind at a bus stop in Ward Circle in Washington on Monday.
Superstorm Sandy dumped a lot of rain, flooding a part of Greenpoint, Brooklyn
A Pennsylvania Department of Transportation truck slowly drives on the Pennsylvania Turnpike as Sandy approaches Bensalem, Pennsylvania, on Monday.
Buses at Frankford terminal in Philadelphia, Pennsylvania, sit idle after Mayor Michael Nutter ordered that all city offices be closed Monday and Tuesday due to potential damage from Sandy.
A woman walks down the promenade along the East River in New York City on Monday.
Jillian Webb, left, and Arianna Corso are pelted by wind and sand on Lighthouse Beach in Chatham, Massachusetts, on Monday.
Waves slam into the sea wall in Scituate, Massachusetts, on Monday.
Chris Losordo carries his father, Vin, across a flooded road in Falmouth, Massachusetts, on Monday.
A repair truck drives down a flooded street in Rehoboth Beach, Delaware, on Monday.
Superstorm Sandy dumped a lot of rain on West Side Highway in Manhattan, NY.
Floodwaters cover the streets of Rehoboth Beach, Delaware, on Monday.
Multiple waves hit the Cooper's Beach in Southampton, N.Y.
Waves crash against a previously damaged pier in Atlantic City, New Jersey, as Hurricane Sandy approaches landfall on Monday.
High winds broke part of a crane boom on this building under construction in Manhattan, causing several nearby buildings to be evacuated.
An emergency vehicle drives down Cape May, New Jersey's flooded Ocean Avenue on Monday.
A young boy runs along Rockaway Beach in the Queens, New York, on Monday.
A woman examines her storm-damaged porch as heavy rain continues to pour in Winthrop, Massachusetts, on Monday.
A lone figure makes his way down Seventh Street in Lindenhurst, New York, on Monday.
People brave high winds and waves in Winthrop, Massachusetts, as Hurricane Sandy moves up the coast on Monday.
A tree felled by the storm blocks Kramer Drive in Lindenhurst, New York, on Monday.
Waves crash over a street in Winthrop, Massachusetts, as Hurricane Sandy comes up the coast on Monday.
A police vehicle drives through a flooded area in New York on Monday.
The New York skyline is seen from the bank of the East River on Monday.
People walk on the boardwalk in Ocean City, Maryland, on Monday.
A man stands on the beach as heavy waves pound the shoreline Monday in Cape May, New Jersey.
The dome of the U.S. Capitol building is seen through a window as heavy rain hits Washington on Monday.
A member of the press takes a photo of a flooded street on Monday in Atlantic City, New Jersey.
A man takes a picture of the storm with his phone from the boardwalk in Ocean City, Maryland, on Monday.
A man stands on the sidewalk Monday as a vehicle drives up a flooded street in Atlantic City.
The Hudson River comes over the sea wall along the West Side Promenade in the Battery Park area in New York on Monday.
The owner of the Wilton House locks up his bar on Monday in Hoboken, New Jersey, as Hurricane Sandy approaches the area.
Two people stand near the edge of the boardwalk on Monday in Ocean City, Maryland.
People fight against the wind along Brighton Beach in New York on Monday.
A jogger runs along the East River in New York on Monday as a police car secures the area.
A man watches as the tidal surge pounds a pier in Ocean City, Maryland, on Monday.
A street on the shoreline of Milford, Connecticut, floods at high tide as Hurricane Sandy approaches on Monday.
A sailboat smashes on the rocks after breaking free from its mooring on City Island, New York, on Monday.
A lone tourist stands in Times Square early Monday as New Yorkers brace against Hurricane Sandy.
A satellite image taken at 12:25 p.m. ET Monday shows Sandy moving over the Northeast.
A restaurant on the boardwalk in Atlantic City, New Jersey, is boarded up in preparation for the bad weather on Monday.
A man walks down a flooded street in Atlantic City on Monday before the hurricane makes landfall.
Tourists wear plastic ponchos in Times Square on Monday.
Air Force One arrives at Andrews Air Force Base in Maryland. President Barack Obama canceled his appearance at a campaign rally in Orlando, Florida, and returned to Washington to monitor the response to Hurricane Sandy.
A road leading to casinos in Atlantic City is empty before the hurricane makes landfall on Monday.
Obama steps off Air Force One on Monday after arriving at Andrews Air Force Base.
A truck moves north on South Long Beach Avenue as rising water and wind ahead of Hurricane Sandy flood the area on Monday in Freeport, New York. The storm, which threatens 50 million people in the eastern third of the United States, is expected to bring days of rain, high wind and, in places, heavy snow.
An overhead sign on the Southern Parkway alerts motorists to road closings in Wantagh, New York, on Monday.
A truck fights its way through water on a road in Southampton, New York, on Monday.
Andy Becica watches the heavy surf from Hurricane Sandy wash in Monday at Cape May, New Jersey. The full force of Hurricane Sandy is expected to hit the New Jersey coastline later Monday.
Water forced ashore ahead of the hurricane starts to flood Beach Avenue in Cape May on Monday morning.
A tattered piece of a billboard blows in the wind Monday in Atlantic City, New Jersey.
Water floods a street in Atlantic City.
An ambulance maneuvers through water on Rockaway Beach Boulevard in Queens as the weather sours Monday in New York City.
People pose for pictures on the Brooklyn Bridge on Monday.
A wave crashes over the bow of a tugboat in New York Harbor on Monday.
Cape May Lighthouse shines over the heavy surf.
Dark clouds cover the skyline of Manhattan early Monday.
A satellite image shows Hurricane Sandy at 8:25 a.m. ET Monday. Forecasters warned that Sandy was likely to collide with a cold front and spawn a "superstorm" that could generate flash floods, snowstorms and massive power outages.
People stand on the beach watching the heavy surf caused by the approaching hurricane on Sunday in Cape May.
Sean Doyle of Levittown and Andrew Hodgson of Hicksville pull their boat from Long Island Sound on Sunday at Oyster Bay, New York.
With Hurricane Sandy approaching, the Long Island Railroad announced the suspension of service at 7 p.m. Sunday in Hicksville, New York.
Lisa Cellucci holds her umbrella as it is blown backward by Hurricane Sandy's winds as her friend Kim Vo watches on Sunday in Cape May.
People look at the surf as high winds and heavy rain from Hurricane Sandy arrive in Virginia Beach, Virginia, on Sunday.
A construction worker covers air vents Sunday to try to prevent the New York subway system from flooding by Hurricane Sandy. New York Gov. Andrew Cuomo announced a shutdown and suspension of all subway, bus and commuter rail service in response to the storm.
Residents of Long Beach, New York, fill sandbags on Sunday in preparation for the storm.
A satellite image from 10:10 a.m. ET on Sunday shows Hurricane Sandy in the Atlantic Ocean grazing the East Coast.
A man surfs at Rockaway Beach in Queens as Hurricane Sandy approaches Sunday.
Scott Davenport brings plywood to cover the windows at the Trump Plaza casino on the boardwalk in Atlantic City, New Jersey, on Sunday.
Bob Kaege takes a measurement while boarding up a shop in Cold Spring, New Jersey, on Saturday as Marie Jadick speaks on the telephone getting an updated weather report in preparation for Hurricane Sandy.
Houses are flooded in the neighborhood of La Javilla in Santo Domingo, the capital of Dominican Republic, on Friday.
Residents watch firefighters battle a blaze in Kingston, Jamaica, on Friday. The fire, which destroyed the home, was started by a faulty generator that was triggered when Sandy caused a blackout, firefighters said.
A motorcyclist rides through a flooded street Friday in Petit-Goâve, Haiti, where three overflowing rivers put homes and farms under water.
Corey Hutterli works on securing his sailboat as the outer bands of Hurricane Sandy are felt in Miami Beach, Florida, on Thursday, October 25.
A woman stands at the entrance of her house surrounded by flood water after heavy rain in Santo Domingo on Thursday.
People walk on a flooded street after Hurricane Sandy hit Port-au-Prince, Haiti, on Thursday.
Burt Myrich boards up a home in preparation for Hurricane Sandy on Saturday in Cape May, New Jersey.
A woman peers out the door of her house Thursday after it was damaged by Hurricane Sandy in Bayamo, Cuba.
A man clears debris from his house on Thursday. It was demolished by Hurricane Sandy in Santiago de Cuba.
Residents in Bayamo, Cuba, try to fix a house damaged by hurricane Sandy on Thursday.
A U.N. peacekeeper on Thursday stands at the edge of a bridge that was washed away by heavy rains from Hurricane Sandy in Port-au-Prince, Haiti.
A house ruined by heavy flooding from Hurricane Sandy sits abandoned in Port-au-Prince, Haiti, on Thursday.
Men deal with downed tree branches after heavy rain caused by Hurricane Sandy in Kingston, Jamaica, on Wednesday, October 24.
Students walk in floodwater from Hurricane Sandy's rain in Santo Domingo on Wednesday.
Citizens of Bayamo, Cuba, buy food on Wednesday, as they prepare for the arrival of Hurricane Sandy.
Waves hit the coast in Santo Domingo on Wednesday.
Citizens of Bayamo talk on the sidewalk on Wednesday.
People in Bayamo hold umbrellas as they purchase food Wednesday before the arrival of the hurricane.
Jamaicans shelter themselves from the rain of approaching Hurricane Sandy as they walk along the Hope River on Wednesday.
The Hope River begins to swell with rain from approaching Hurricane Sandy in Kingston on Wednesday.
Houses sit along the Hope River in Kingston on Wednesday.
A satellite view shows Hurricane Sandy's position on Wednesday.
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HIDE CAPTION
Photos: Sandy's destructive path
Fires force evacuations in Queens
Sandy leaves many in the dark
High winds from Sandy knock out power
The 25-year-old Barclays analyst had the wherewithal to start filming.
"I ran outside and live wires were whipping like crazy," he told CNN. "Two cars caught fire. The police, they got there right away, but everybody was really scared. Thank goodness trees were down in the street so even if someone felt compelled to walk toward this thing, the trees were in everyone's way."
The smoke was overwhelming. Didier didn't know what else to do but go back inside.
Please let this end, he thought. By dawn Tuesday, he said the stench of burned rubber filled his neighborhood. "It's amazing we're all alright," he said. "My neighbor is thrilled that his kids are OK. We made it through."
Sandy's impact: State by state
Shahir Daud was watching the lights go out in his Upper East Side New York neighborhood Monday evening, hoping that his place would not be next.
He saw manhole covers blown out of the street and wondered if there was a fire nearby. He watched as dark waters from the East River submerged parts of Franklin D. Roosevelt East River Drive.
By late Monday evening, it seemed the worst of the storm had passed his neighborhood. The 33-year-old filmmaker wondered when he would be able to get back to his job at MTV.
"I work in lower Manhattan, I don't know when the (trains) are going to run again," Daud said. "We are just going to hunker down here. We are lucky."
Earl Bateman, a stockbroker who has lived in New York for 30 years, was stunned seeing so much water coursing through New York City.
Transit systems struggling to restart
"There's this river flowing through the middle of Manhattan," he said.
Sandy lashes states with snow
The power was still on in his building, but the elevators had stopped working. Not a good thing for a man who lives on the 18th floor.
Unlike Bateman, more than 7 million people in 13 states spent a chilly Monday night in the dark.
In southern Vermont, Caleb Clark said he felt the howling winds, and watched as rain battered his town.
It was his son Shaw's 6-month birthday, and the family spent it listening to weather reports about downed trees and closed roads.
"Shaw, what do you think about this storm?" the father asked.
"Ba ba baaa," the baby said and then burst into a wide, toothless smile.
Little Shaw may have been one of the few smiling as Sandy continued to affect millions.
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