travel tips and tricks

Cathy
I'll be traveling from Australia to the US at 14 weeks (for 3 weeks) and I'm looking for any travel tips you ladies might have. I've tried to book aisle seats, upgrades aren't an option, Disneyland is on the cards but I'll make a list of the rides I'll have to skip. We'll be in LA, Big Bear lake, Houston and New Orleans. 
I would love to hear your tips and also things to do in these places! 
Xx