Carrie Underwood and Mike Fisher Credit:

Carrie Underwood is becoming one with nature!

During a break from her Blown Away concert tour, the 29-year-old country superstar indulged her need for speed -- by zip-lining with husband Mike Fisher in Idaho.

"Good times," Underwood tweeted in response to an image hubby Fisher, 32, posted to the microblogging site on Monday of the couple donning red helmets and flashing goofy grins and thumbs-up signs after completing their trek.

As hectic as her touring schedule is, Underwood always carves out alone time with her husband of two years. "Because we are so busy, we make our time together count," the singer recently told Us Weekly of her NHL player love, 32. "We go on dates and make sure to make that extra effort."

Staying in touch with Fisher via Twitter when they're away from each other and from home, Underwood says married life is just as blissful as she imagined.

"I couldn't ask for a better husband and best friend," Underwood -- who just nabbed two American Music Awards nominations -- gushes to Us. "I never thought guys like Mike actually existed! He loves me and all of my craziness!"