Rick O'Connell: Knowing my brother in law, he probably deserves whatever you're about to do to him. But this is my house, and I have certain rules about snakes and dismemberment.
When Brendan Fraser & his son are running to reach the pyramid before the sun hits it, the sunrise line approaches the pyramid along the ground, but the sun would naturally have hit the pyramid at the top first and worked its way down to the ground. [Some people insist on trying to correct this - think of it this way. If the sun's illuminating the ground from way up in the sky, what's keeping something higher up than the ground in darkness?]
In the tomb, Alex knocks over the columns the same way Evie knocked over the bookcases in "The Mummy."