As part of Habitat for Humanity's Gulf Coast Recovery Program, spend five days building houses for low-income families. The work ranges from gardening to building roofs.
Trip Tip: At night, head to lively Frenchman Street for the best jazz in the South.
Luxury Level: Those who forgo a hotel can check into Camp Hope, run by St. Bernard Parish. Heat, AC, laundry, showers, and three meals a day are provided, but volunteers sleep in bunk beds.
Habitat for Humanity; 504/861-2077; habitat-nola.org; $20 per night at Camp Hope; ongoing, year-round.
40 Trips To Change Your World