Recreation workers work at playgrounds and recreation areas, community centers, health clubs and fitness centers run by nonprofit organizations.

CNN: 10 great jobs in nonprofits

According to his group's recent survey of airport amenities, at least 30 U.S. airports provide massage services, 11 have hair salons, four have fitness centers, 40 have electrical charging stations and 25 provide live music.

FORBES: Fuel Costs Could Trim Summer Air Travel. A Bit.