Today's 150th anniversary of the Battle of Antietam got us thinking: What if Civil War photographer Alexander Gardner could revisit some of the original sites he photographed?

In mid-September 1862, the Army of Northern Virginia and the Army of the Potomac clashed on the banks of Antietam Creek, just outside Sharpsburg, Md., in a battle that became the nation's bloodiest day. Two photographers documented the carnage in an unprecedented series of "death studies."

Believe it or not, this visual catalog of country music culture was shot by a kid from Boston.

The Women Over 90 Project art exhibit includes photos and stories from fifth grade girls who visited a nursing home.

Photographer Swoan Parker toured Haiti's National Palace, which was destroyed in the 2010 earthquake. "For many people, it stands for Haiti's pride," she says. "This is a symbol for many people, so they consider it a great sense of loss."

Photographer Tomas van Houtryve entered North Korea with an illegal passport and concocted an elaborate lie to avoid being detained. It was all part of his project to document modern-day communism.