Continuity mistake: In Ogilvy's cellar, in the close-up of Ray's hand, he holds it up to the red mist blowing through the two broken windows. In the next shot however, as Ray looks at his hand and realizes it's blood, the right window is suddenly blocked with a broken shutter and two pieces of wood. (01:29:15)
Continuity mistake: After speaking with Robbie, when Ray runs across the street to speak with Manny some are entirely different cars from the previous shots and in one case a car jumps sideways from one lane to the next. Ray also runs beside the crosswalk in the close-up, but in the next shot he's much farther away, and the crowd differs. (00:18:50)
Continuity mistake: The Hudson Ferry employee runs to the two soldiers and shouts, "Get that ramp up. Cast off. No more peopleĀ " In the next semi close-up of the crowd converging on the ferry, there is a large grey car on the dock at the base of the ramp. In the next shot that car is inexplicably gone. (00:59:45)
Continuity mistake: When the hole cracks the asphalt in the first shot, the crack makes its way to Santo's Florist cracking the side of the brick building. A few shots later, when the Portuguese restaurant windows shatter, as the camera pans toward the church Santo's is seen on the street corner and the massive damage to the building is gone. The long crack in the asphalt leading from the hole to the florist is gone too. (00:21:20)
Continuity mistake: Whilst Robbie is helping the people onto the ferry in the overhead shot, Ray holds Rachel beside a red car down below as they are both avidly watching Robbie's heroism. However, in the next close-up Ray is just now approaching the car, amongst a greater crowd of people. (01:02:20)
Continuity mistake: When Mary Ann carries Rachel's backpack into Ray's kitchen, she places the backpack down on the floor to her left, with her left hand and then steps away. However, in the next shot, she is still holding it and then places it down to her right, with her right hand. (00:06:00)
Continuity mistake: In Boston, when Ray breaks off a piece of the dried up root from the statue, the piece he holds in the next shot is completely different. (01:41:35)
Continuity mistake: When Rachel runs to her mom, in Boston, in the side shot of Mary Ann she's already gone down the stairs and crossed the sidewalk towards her daughter, yet in the next shot it's Rachel who crosses the sidewalk towards her mom, who is still up at the center of the stairs. (01:47:05)
Continuity mistake: When Ray throws the bread with peanut butter at the window it lands dead center. However, in the next close-up it's off to the side of the glass, in order for Ray's and Rachel's reflections to be seen clearly. The slice of bread differs as well. (00:37:15)
Continuity mistake: When Ray carries the Pennzoil box of groceries into Mary Ann's house, the goods change position between shots. (00:35:20)
Continuity mistake: In the scene when the intersection is rotating, the camera is aimed up towards the church and starts to pan down. Tom Cruise runs into the scene and gets behind a car. The movement of the church shows the intersection is turning counter-clockwise but as it pans to the ground, the intersection is turning clockwise.
Continuity mistake: When Robbie shouts at the soldiers driving by, puddle water splashes all over him, and the pattern and/or amount of water all over Robbie's jacket varies shot to shot. For example: when Ray shouts, "You're in charge now, you tell me..." there are many water spots on both sides of Robbie's jacket, but two shots later as Robbie shouts, "We get back at them!" only his left side is wet. Quick drying. (00:49:10)
Continuity mistake: When Ray and the kids are driving down the freeway, there are several cars stopped randomly so they have to swerve a lot. But when it shows them inside the car, talking, they are driving perfectly straight. When it shows them from the outside again, the random cars are back and they start swerving again.
Continuity mistake: When Ray and the two guys head to the spot with 26 strikes, there is a crowd of people walking behind them in all the close-ups, yet, in the overhead shot hardly anyone is behind them as they approach the hole, and there was no time for the crowd to move ahead or disperse. Additionally, some of those people who are already positioned at the center of the crowd, around the hole, were just behind Ray in the previous shots. (00:19:35)
Continuity mistake: When Mary Ann and Ray walk into the kids bedroom, Robbie is lying on his bed with books, etc. In the next shot his position, pillow, etc., differ, and there are different books on his bed. (00:07:00)
Continuity mistake: When Ray and Rachel are in the backyard, just before the lightening starts, she says, "I don't wanna go by myself," and there are no leaves on the barbeque. In the next close-up, as they stand near it, there are leaves on it. (Not due to wind.) (00:15:35)
Continuity mistake: When Ray is in his backyard and says, "That is so weird," he's standing well away from the fence that is near the female neighbor holding the baby, but in the next shot he's right beside the fence talking to her. (00:14:35)
Continuity mistake: After Rachel tells Ray that Robbie took the car, when Ray runs down the steps long shadows are cast. When Ray turns around to see what everyone is looking at, all shadows are gone, only to reappear in the next shot. Then when Ray runs to his yard, the angle of his shadow is entirely different. (00:13:30)
Continuity mistake: Just before the news van leaves, in the shot facing the News Producer she asks Ray, "Hey were you on that plane?" then extends her left arm to touch Ray with her left hand. However, in the shot facing Ray, she has her right arm extended to touch Ray. (00:45:15)
Continuity mistake: When Ray breaks the window with the baseball, the characteristics of the hole differ between exterior and interior shots. (00:10:10)
Answer: They're reported to be about 100 feet tall.
Which is about 30.5 meters.
lionhead
They definitely seemed a lot taller than 100ft in the movies though that's for sure. I would have guessed maybe a few hundred feet.