We don't think there's any better way to prepare for the NFL season than visiting training camp. To help you get motivated for the offseason adventure, take a photo tour of last year's summer camps, then check out our training camp guides for the AFC and NFC for complete details.

Oakland Raiders Training Camp

Here's a glimpse of a camp that is closed to fans, but we presume it's not all rest and relaxation. (Photo by Sara Wolfram/Getty Images)