October brings us many things including colorful foliage, cooler temperatures and costumes in celebration of Halloween. While trick-or-treating has long been a tradition in the United States, the origins of Halloween lie in the ancient Celtic world.

From long, uncomfortable trips to challenging accommodations, humanitarian travel isn’t typically glamorous. Massachusetts-based social documentary photographer and Capture Humanity founder Matilde Simas recently traveled to Imvepi Refugee Settlement in Uganda to explore the ways that children are exploited due to war.

Spanning 3.5 billion acres across the southern hemisphere, buffeted by the deadly Southern Ocean and raked by sub-zero polar winds all year long, Antarctica remains an unclaimable landmass under the 1959 Antarctic Treaty. In 2001, while serving in the US Navy, Travis McHenry came across an article about how Antarctica remained unclaimable by any nation. What seemed like trivia to many served as a fascinating discovery to him.