ParkDIA, Aurora

With a parking lot just five minutes away from the helter-skelter traffic of the Denver airport, ParkDIA lets travelers sidestep the punitive costs of parking onsite. Thanks to its 7,500 spaces, you'll never need to worry about circling a crowded lot and missing your flight or not having enough time to enjoy a $70 double cheeseburger.

The free shuttle ensures you conveniently get to your terminal, and for a little extra, the crew will even wash your car while you're away. And to max out the convenience, ParkDIA lets you claim and pay for a space through a handy cellular telephone application.