3 Ways to Do Good (and Feel Good) on Your Next Vacation

...Animals

Pack Your Bag: There's more to the Grand Canyon than breathtaking rock formations. Volunteers with the Grand Canyon Trust spend their days on the Colorado Plateau, documenting beaver activity or reseeding native grasses and shrubs to restore deer habitat that's been overtaken by weeds.

Time Commitment: six days or less

Cost: free, including meals

Quick Trip: The National Audubon Society cohosts daylong projects—working in a nature sanctuary in Oregon or restoring bird habitats in Texas.