Oriana Poindexter is a professional artist whose work weaves together photography, science, and marine life. She uses seaweed and light-sensitive chemicals to make stunning, almost haunting prints.

In 2013, Thor Pedersen left his home in Denmark for the trip of a lifetime. His goal was to travel to every country in the world. He had three rules for his journey. He had to spend at least 24 hours in each country. He couldn't return to Denmark until he had crossed off every nation on the list....