Stay clear of the canned, tourist-trap vacations and check out these tips on great, eco-adventures.
National Geographic has produced regional US/Canada/Mexico maps that inform travellers on geotourism.
National Geographic Traveler magazine is also in partnership with them...
Check out their blog, Intelligent Travel. A contemporary and consumer oriented platform with a focus on authentic, cultural and sustainable travel.
One of NG Traveler's more compelling efforts is the Geotourism Challenge, where they invite people around the world to showcase their ideas for how to be a more sustainable destination. Truly inspiring work!
...and you'll never have to wait in long lines in Orlando again!