Links for traveling pets: 

www.petsonthego.com
Extensive database of pet-friendly hotels in the US.
www.petfriendlytravel.com
Inns, cabins, resorts and B&B's for Fido.
www.traveldog.com
Resorts that cater to Rover.
www.petswelcome.com
Enter your driving route and find the best place to stay with your pet.
www.companimalz.com
Read about safety, pit stops and ways to accommodate your pet during travel.