Allow vegetables to air-dry in a colander for several hours, or use a salad spinner to remove excess water.

NPR: Capturing the Elusive 'Breath of a Wok'

Lisbon, Portugal, which is located in the path of the Gulf Stream, averages the most daily hours of sunlight year-round thanks to its dry air and stable climate (much like southern California in the U.S.).

FORBES: Magazine Article

Of course, unused basement, attic, porch or garage space can be insulated, wired, dry-walled, floored and air-conditioned to add living space without expanding your home's footprint.

WSJ: Re-feathering the Family Nest

Cross St Michan's Church immediately off your list: behind iron doors, a narrow stone staircase descends to its crypt where the ghoulish remains of up to 800-year-old bodies have been preserved by the dry air.

BBC: Haunted Dublin

Air in airplanes is extremely dry, and viruses tend to thrive in low-humidity conditions.

WSJ: Where Germs Lurk on Planes