And it was a terrifying night for guests at a vacation resort near orlando, florida. In the middle of night, their building was being swallowed by a sinkhole. They barely escaped. Abc's steve o san... See More
And it was a terrifying night for guests at a vacation resort near orlando, florida. In the middle of night, their building was being swallowed by a sinkhole. They barely escaped. Abc's steve o san mommy tells us this may not be over. Reporter: Dozens of families here on their florida vacations were just dozing off sunday night when 100-foot sinkhole started to swallow their villa. With them and their belongings in it. I kept hearing the building cracking as I was going back and forth. I could see things falling from the ceiling. I watched the floor split open at the time. Reporter: Authorities and eyewitnesses outside orlando raced to the collapsing buildings, capturing this incredible video and screaming for residents to get out now. I know this may happen in florida, but I'm from atlanta. The grund has not been swept from under our feet. Reporter: It looks like the ground opened up and ate this building. There's a stairwell there leading to nowhere. Like a tornado came through and punched a hole in the ground. Rusty and her family saw the floors buckling then tried to escape, but the doors were stuck and wouldn't open. A couple with a baby had to break a window to get out. We started running out and throwing our stuff over the balcony. It was just crazy. Reporter: Florida is sinkhole central, here is why. Much of the state sits on pour rouse limestone, covered in a thick layer of clay. Over time, waters eats away at the stone and heavy rains push the clay into the rock. Authorities say there aren't more sinkholes just more people to notice them. This is what the area has become today. We have a dry season and then the rains come on. About middle of june, about that time you see the sinkhole activity pick up. Reporter: Everyone got out of this building alive, but lost everything they left behind. And tonight, for the first time a father is speaking out
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