Even golfers using a motorized cart can burn about 1,300 calories and walk 2 miles when playing 18 holes. Halfdark/fstop/Corbis hide caption

itoggle caption Halfdark/fstop/Corbis

Hill staffers and PGA professionals mingle Wednesday at this year's National Golf Day event on Capitol Hill, which included an annual Democrats versus Republicans putting challenge. Emily Jan/NPR hide caption

itoggle caption Emily Jan/NPR

At the Pelican Hill golf resort in Newport Coast, Calif., water conservation is an obsession. Yuki Shimazu/Flickr hide caption

itoggle caption Yuki Shimazu/Flickr

The clubhouse of the Royal and Ancient Golf Club of St. Andrews sits just off the first tee. The course itself is open to the public — women as well as men. But women have never been allowed to join the club since its founding in 1754, and are not allowed to enter the clubhouse, even as guests. Doug Tribou/NPR hide caption

itoggle caption Doug Tribou/NPR

Commentator Frank Deford advises the White House press office not to let the president be photographed in a golf cart again. Steven Senne/AP hide caption

itoggle caption Steven Senne/AP

Lydia Ko of New Zealand reacts as she birdies the final hole to win her second consecutive Canadian Women's Open Sunday. Because Ko is an amateur, she didn't receive the winner's check for $300,000. Stephen Dunn/Getty Images hide caption

itoggle caption Stephen Dunn/Getty Images

A man finds some shelter from the rain Thursday at the U.S. Open, which is being played at Merion Golf Club in Ardmore, Pa. Brendan Smialowski /AFP/Getty Images hide caption

itoggle caption Brendan Smialowski /AFP/Getty Images

Adam Scott (left) of Australia celebrates after winning a playoff against Angel Cabrera (right) of Argentina at the Masters golf tournament in Augusta, Ga. In between them is Steve Williams, Scott's caddie. Kyodo /Landov hide caption

itoggle caption Kyodo /Landov