On a visit to Rohingya refugee camps in Bangladesh, a toilet expert was thrilled to find a thoughtful innovation.

Using toilets is not always intuitive. That's when a sign or two can be helpful — and sometimes hilarity-inducing.

On World Toilet Day — November 19 — the goal is to raise awareness about the importance of toilets in reducing diarrheal disease. These pictures show that toilets can come in all shapes and sizes.

Governments in countries across Africa have promised to deliver free menstrual pads to girls. But are they getting the details right?

The idea behind this viral ad is to convince men how important it is to have a toilet in the house. That's a major issue in India, where more than 500 million people are loo-less.

The new 'Daily Show' host joked about moving up from the outdoor toilets of his boyhood to indoor toilets. But outdoor latrines actually have their advantages.

Answering the call of nature in the open is all too common when families don't have other options. But now the country has its first zone that's free of open defecation.